paragraph_text: Pedro Bernardino María de Anaya y de Álvarez (20 May 1795 – 21 March 1854) was a military officer who served twice as interim president of Mexico from 1847 to 1848. He also played an important role during the Mexican–American War.

paragraph_text: A presidential system is a democratic and republican system of government where a head of government leads an executive branch that is separate from the legislative branch. This head of government is in most cases also the head of state, which is called president.

paragraph_text: Malacañang sa Sugbo (, ) is the official residence of the President of the Philippines in the Visayas. It is located in Cebu City near the Port Area and Fort San Pedro, and within walking distance from the Basilica Minore del Santo Niño, Magellan's Cross, and City Hall. It is named after the Malacañang Palace, the official residence of the President in the capital city of Manila.

paragraph_text: Pedro Moncayo is a canton in the north of the Pichincha Province, Ecuador. The seat of the canton is the city of Tabacundo. The canton is named after politician Pedro Moncayo. The canton is separated by the Mojanda volcano from the canton of Otavalo in the province of Imbabura in the north. It borders the same-province cantons of Cayambe and Quito.

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: Pedro Atala is a Honduran business owner of Camosa which is the John Deere distributor in Honduras. He is also president of CD Motagua along with his cousin Javier Atala. His father is Pedro Atala Simón which is an emblem in Motagua. Pedro Atala Simon was the president of the national soccer team, and the national team made his first classification to the World Cup in Spain 1982.

paragraph_text: The Republic of China Military Police (ROCMP; ) is a military police body under the Ministry of National Defense of Taiwan (Republic of China). Unlike military police in many other countries, ROCMP is a separate branch of the ROC Armed Forces. ROCMP is responsible for protecting government leaders from assassination or capture, guarding Taiwan’s strategic facilities, and counterintelligence against enemy infiltrators, spies, and saboteurs.

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: The Chairman of the Joint Chiefs of Staff is, by law, the highest - ranking military officer of the United States Armed Forces, and the principal military adviser to the President of the United States. He leads the meetings and coordinates the efforts of the Joint Chiefs of Staff, comprising the chairman, the Vice Chairman of the Joint Chiefs of Staff, the Chief of Staff of the United States Army, the Commandant of the United States Marine Corps, the Chief of Naval Operations, the Chief of Staff of the United States Air Force, and the Chief of the National Guard Bureau. The Joint Chiefs of Staff have offices in The Pentagon. The chairman outranks all respective heads of each service branch, but does not have command authority over them, their service branches or the Unified Combatant Commands. All combatant commanders receive operational orders directly from the Secretary of Defense.

paragraph_text: Born in Glasgow, he was a toolmaker and served in the Royal Air Force from 1946 to 1948. Having moved to Australia, he was president of the Western Australian branch of the Amalgamated Engineering Union, and later, following its amalgamation, Vice-President of the Western Australian branch of the Amalgamated Metal Workers Union. In 1974, he was elected to the Australian Senate as a Labor Senator for Western Australia. He held the seat until his retirement in 1987.

paragraph_text: Pedro José Varela Olivera (22 February 1837, Florida, Uruguay – 1906, Montevideo, Uruguay) was a politician and member of the Uruguayan Colorado Party. He was president of Uruguay from February to March 1868 and from January 1875 to March 1876, when he resigned from office in favor of defense minister Lorenzo Latorre.

paragraph_text: Pedro Cerisola y Weber (born March 3, 1949 in Mexico City) is a Mexican architect who served as Secretary of Communications under President Vicente Fox's administration.

paragraph_text: Felix Elvio Jiménez Rivera (born January 6, 1940 in San Pedro de Macorís, Dominican Republic) is a former professional baseball left fielder who appeared in one game for the New York Yankees in 1964.

paragraph_text: Camp Grant was the name used from 1866 to 1872 for the United States military post at the confluence of the San Pedro River and Aravaipa Creek in the Arizona Territory. It is near the site of the Camp Grant massacre.

paragraph_text: Rancho San Pedro was one of the first California land grants and the first to win a patent from the United States. The land grant was validated by the Mexican government at in 1828, and a United States patent validating was issued in 1858. The original Spanish land grant included what today consists of the Pacific coast cities of Los Angeles harbor, San Pedro, the Palos Verdes peninsula, Torrance, Redondo Beach, Hermosa Beach, and Manhattan Beach, and east to the Los Angeles River, including the cities of Lomita, Gardena, Harbor City, Wilmington, Carson, Compton, and western portions of Long Beach and Paramount.

paragraph_text: The Eritrean Air Force (ERAF) is the official aerial warfare service branch of the Eritrean Defence Forces and is one of the three official uniformed military branches of the State of Eritrea.

paragraph_text: Felice Pedroni (April 16, 1858 – July 22, 1910), known best to Americans by his Hispanicized alias Felix Pedro, was an Italian immigrant whose discovery of gold in Interior Alaska marked the beginning of the 1902 Fairbanks Gold Rush.

paragraph_text: Pedro Miguel González Pinzón was born on January 1, 1965 to Gerardo González Vernaza (1929–2006), a Panamanian politician who served as President of the National Assembly from 1997 to 1999, as well as acting as the head of the PRD party.

paragraph_text: The Kingdom of France controlled the Louisiana territory from 1699 until it was ceded to Spain in 1762. In 1800, Napoleon, then the First Consul of the French Republic, hoping to re-establish an empire in North America, regained ownership of Louisiana. However, France's failure to put down the revolt in Saint - Domingue, coupled with the prospect of renewed warfare with the United Kingdom, prompted Napoleon to sell Louisiana to the United States to fund his military. The Americans originally sought to purchase only the port city of New Orleans and its adjacent coastal lands, but quickly accepted the bargain. The Louisiana Purchase occurred during the term of the third President of the United States, Thomas Jefferson. Before the purchase was finalized, the decision faced Federalist Party opposition; they argued that it was unconstitutional to acquire any territory. Jefferson agreed that the U.S. Constitution did not contain explicit provisions for acquiring territory, but he asserted that his constitutional power to negotiate treaties was sufficient.

paragraph_text: Manuel Deodoro da Fonseca (; 5 August 1827 – 23 August 1892) was a Brazilian politician and military officer who served as the first President of Brazil. He took office after heading a military coup that deposed Emperor Pedro II and proclaimed the Republic in 1889, disestablishing the Empire, and stepped down little more than two years later, in 1891, under great political pressure. He is therefore the first Brazilian President to have resigned from office.

Question: The president signing the purchase of the area where Felix Pedro discovered gold presided over what army?
Answer: Union Army