paragraph_text: Russia continued to see an opportunity to weaken British power by causing British Columbia, including the Royal Navy base at Esquimalt, to be surrounded or annexed by American territory. Following the Union victory in the Civil War, the Tsar instructed the Russian minister to the United States, Eduard de Stoeckl, to re-enter into negotiations with William H. Seward in the beginning of March 1867. President Johnson was entangled in negotiations about Reconstruction and Seward had alienated a number of Republicans, so they believed that the purchase would help divert attention from the domestic issues. The negotiations concluded after an all - night session with the signing of the treaty at 04: 00 on March 30, 1867, with the purchase price set at $7.2 million ($105 million in 2016), or about 2 cents per acre ($4.74 / km).

paragraph_text: Lafayette Curry Baker (October 13, 1826 – July 3, 1868) was a United States investigator and spy, serving the Union Army, during the American Civil War and under Presidents Abraham Lincoln and Andrew Johnson.

paragraph_text: This is a list of the sixteen counties in the U.S. state of Maine. Before statehood, Maine was officially part of the state of Massachusetts and was called the District of Maine. Maine was granted statehood on March 15, 1820 as part of the Missouri Compromise. Nine of the sixteen counties had their borders defined while Maine was still part of Massachusetts, and hence are older than the state itself. Even after 1820, the exact location of the northern border of Maine was disputed with Britain, until the question was settled and the northern counties signed their final official form, the Webster - Ashburton Treaty, signed in 1842. Almost all of Aroostook County was disputed land until the treaty was signed.

paragraph_text: The Alaska Purchase (Russian: Продажа Аляски, tr. Prodazha Alyaski) was the United States' acquisition of Alaska from the Russian Empire on March 30, 1867, by a treaty ratified by the United States Senate, and signed by president Andrew Johnson.

paragraph_text: The islands were purchased from the Danish by the United States in 1917 under the Treaty of the Danish West Indies.

paragraph_text: Russia continued to see an opportunity to weaken British power by causing British Columbia, including the Royal Navy base at Esquimalt, to be surrounded or annexed by American territory. Following the Union victory in the civil war, the Tsar instructed the Russian minister to the United States, Eduard de Stoeckl, to re-enter into negotiations with William Seward in the beginning of March 1867. President Johnson was entangled in negotiations about Reconstruction and Seward had alienated a number of Republicans, so they believed that the purchase would help divert attention from the current domestic matters. The negotiations concluded after an all - night session with the signing of the treaty at 04: 00 on March 30, 1867, with the purchase price set at $7.2 million ($123 million today), or about 2 cents per acre ($4.74 / km).

paragraph_text: Korovin Volcano is the highest point on Atka Island in the Aleutian Islands chain Alaska, United States. Korovin is a side vent to the main Atka shield volcano. However, Korovin is the highest point on the island.

paragraph_text: The Treaty of Brest - Litovsk was a peace treaty signed on 3 March 1918 between the new Bolshevik government of Soviet Russia and the Central Powers (Germany, Austria - Hungary, Bulgaria, and the Ottoman Empire), that ended Russia's participation in World War I. The treaty was signed at Brest - Litovsk (Polish: Brześć Litewski; since 1945 Brest), after two months of negotiations. The treaty was agreed upon by the Bolshevik government to stop further advances by German and Austro - Hungarian forces. According to the treaty, Soviet Russia defaulted on all of Imperial Russia's commitments to the Triple Entente alliance.

paragraph_text: On 6 February 1840, Hobson and about forty Māori chiefs signed the Treaty of Waitangi at Waitangi in the Bay of Islands. Copies of the Treaty were subsequently taken around the country to be signed by other chiefs. A significant number refused to sign or were not asked but, in total, more than five hundred Māori eventually signed.

paragraph_text: The North Atlantic Treaty Organization (NATO / ˈneɪtoʊ /; French: Organisation du Traité de l'Atlantique Nord; OTAN), also called the North Atlantic Alliance, is an intergovernmental military alliance between several North American and European states based on the North Atlantic Treaty that was signed on 4 April 1949.

paragraph_text: The Sanak Islands are a subgroup of the Fox Islands group of islands, located in the Aleutians East Borough of Alaska.

paragraph_text: Throughout the 1970s, both the Soviet Union and United States replaced old missiles and warheads with newer, more powerful and effective ones. This continued to worsen Soviet - U.S relations. On June 18, 1979, the SALT II treaty was signed in Vienna. This treaty limited both sides' nuclear arsenals and technology. However, this treaty as well as the era of the détente ended with the Soviet Union's invasion of Afghanistan in January, 1980. The United States once again significantly increased military and nuclear spending, while the Soviets were unable to respond and continued to pursue the détente.

paragraph_text: The PTBT was signed by the governments of the Soviet Union, United Kingdom, and United States in Moscow on 5 August 1963 before being opened for signature by other countries. The treaty formally went into effect on 10 October 1963. Since then, 123 other states have become party to the treaty. Ten states have signed but not ratified the treaty.

paragraph_text: The Aleutian Islands (Aleut: Tanam Unangaa, literally ``Land of the Aleuts ''; pronounced (/ əˈluːʃən /; possibly from Chukchi aliat,`` island'') are a chain of 14 large volcanic islands and 55 smaller ones belonging to both the U.S. state of Alaska and the Russian federal subject of Kamchatka Krai. They form part of the Aleutian Arc in the Northern Pacific Ocean, occupying an area of 6,821 sq mi (17,666 km) and extending about 1,200 mi (1,900 km) westward from the Alaska Peninsula toward the Kamchatka Peninsula in Russia, and mark a dividing line between the Bering Sea to the north and the Pacific Ocean to the south. Crossing longitude 180 °, at which point east and west longitude end, the archipelago contains both the westernmost part of the United States by longitude (Amatignak Island) and the easternmost by longitude (Semisopochnoi Island). The westernmost U.S. island in real terms, however, is Attu Island, west of which runs the International Date Line. While nearly all the archipelago is part of Alaska and is usually considered as being in the ``Alaskan Bush '', at the extreme western end, the small, geologically related Commander Islands belong to Russia.

paragraph_text: In 1904, a British expedition to Tibet, spurred in part by a fear that Russia was extending its power into Tibet as part of The Great Game, invaded the country, hoping that negotiations with the 13th Dalai Lama would be more effective than with Chinese representatives. When the British-led invasion reached Tibet on December 12, 1903, an armed confrontation with the ethnic Tibetans resulted in the Massacre of Chumik Shenko, which resulted in 600 fatalities amongst the Tibetan forces, compared to only 12 on the British side. Afterwards, in 1904 Francis Younghusband imposed a treaty known as the Treaty of Lhasa, which was subsequently repudiated and was succeeded by a 1906 treaty signed between Britain and China.

paragraph_text: On June 12, 1990, the Congress of People's Deputies adopted the Declaration of State Sovereignty. On June 12, 1991, Boris Yeltsin was elected the first President. On December 8, 1991, heads of Russia, Ukraine and Belarus signed the Belavezha Accords. The agreement declared dissolution of the USSR by its founder states (i.e. denunciation of 1922 Treaty on the Creation of the USSR) and established the CIS. On December 12, the agreement was ratified by the Russian Parliament, therefore Russian SFSR denounced the Treaty on the Creation of the USSR and de facto declared Russia's independence from the USSR.

paragraph_text: The Congress of Berlin (13 June – 13 July 1878) was a meeting of the representatives of six great powers of the time (Russia, Great Britain, France, Austria-Hungary, Italy and Germany), the Ottoman Empire and four Balkan states (Greece, Serbia, Romania and Montenegro). It aimed at determining the territories of the states in the Balkan peninsula following the Russo-Turkish War of 1877–78 and came to an end with the signing of the Treaty of Berlin, which replaced the preliminary Treaty of San Stefano, signed three months earlier between Russia and the Ottoman Empire.

paragraph_text: The United States eventually incorporated the Northern Line into its territories and did the same with the Phoenix Islands which lie between Kiribati and the Line Islands including Howland, Jarvis, and Baker islands, thus, bringing about a territorial dispute. This was eventually resolved and they became part of Kiribati as part of the Treaty of Tarawa. This was signed shortly after independence and ratified in 1983, the United States relinquishing all claims to the sparsely inhabited Phoenix Islands and those of the Line Islands that are part of Kiribati territory.

paragraph_text: Two classic examples of oceanic island arcs are the Mariana Islands in the western Pacific Ocean and the Lesser Antilles in the western Atlantic Ocean. The Cascade Volcanic Arc in western North America and the Andes along the western edge of South America are examples of continental volcanic arcs. The best examples of volcanic arcs with both sets of characteristics are in the North Pacific, with the Aleutian Arc consisting of the Aleutian Islands and their extension the Aleutian Range on the Alaska Peninsula, and the Kuril - Kamchatka Arc comprising the Kuril Islands and southern Kamchatka Peninsula.

paragraph_text: After the dissolution of the Soviet Union, Ukraine inherited a 780,000-man military force on its territory, equipped with the third-largest nuclear weapons arsenal in the world. In May 1992, Ukraine signed the Lisbon Protocol in which the country agreed to give up all nuclear weapons to Russia for disposal and to join the Nuclear Non-Proliferation Treaty as a non-nuclear weapon state. Ukraine ratified the treaty in 1994, and by 1996 the country became free of nuclear weapons.Ukraine took consistent steps toward reduction of conventional weapons. It signed the Treaty on Conventional Armed Forces in Europe, which called for reduction of tanks, artillery, and armoured vehicles (army forces were reduced to 300,000). The country plans to convert the current conscript-based military into a professional volunteer military.

Question: What military branch did the person who signed the treaty to purchase the state where the aleutian islands are found lead?
Answer: Union Army