paragraph_text: The Orikaka River (also known as the Mackley River) is a river of the West Coast Region of New Zealand's South Island. It flows southwest from the southern end of the Matiri Range before turning south to flow into the Buller River five kilometres to the west of Inangahua.

paragraph_text: The Charles River Peninsula is a nature preserve in Needham, Massachusetts owned and managed by the Trustees of Reservations. The Charles River turns nearly 180 degrees, creating the peninsula. A field on the peninsula has been farmed for roughly a century. The original acreage was given in 1960; additional land was given in 1994.

paragraph_text: The Atbarah River (; transliterated: Nahr 'Atbarah) in northeast Africa rises in northwest Ethiopia, approximately 50 km north of Lake Tana and 30 km west of Gondar. It flows about 805 km (500 mi) to the Nile in north-central Sudan, joining it at the city of Atbarah (). The river's tributary, the Tekezé (Setit) River, is perhaps the true upper course of the Atbarah, as the Tekezé follows the longer course prior to the confluence of the two rivers (at 14° 10' N, 36° E) in northeastern Sudan. The Atbarah is the last tributary of the Nile before it reaches the Mediterranean.

paragraph_text: The Mékinac river is a located in the RCM Mekinac Regional County Municipality, in the administrative region of Mauricie, the province of Quebec, in Canada. This river of Middle Mauricie has played an important role in the forestry industry at the end of the 19th century.

paragraph_text: Fall River Government Center (also known as "city hall") is the location of the municipal government offices in the city of Fall River, Massachusetts, United States. Located at One Government Center, and constructed directly over Interstate 195, it was the first public building built over a Federal interstate highway. It replaced the city's historic 19th century city hall which had been demolished in the early 1960s as part of the construction of Interstate 195, which cuts through the center of the city's downtown area. Delayed and plagued by problems during construction, the new city hall opened in 1976. In 2008, the building and site underwent a multimillion-dollar exterior renovation.

paragraph_text: The name Nigeria was taken from the Niger River running through the country. This name was allegedly coined in the late 19th century by British journalist Flora Shaw, she was inspired by the name of the river, in preference to terms such as "Central Sudan". The origin of the name ''Nigeria'' came from the name of the Niger River. The word ( Niger )  is an alteration of the Tuareg name egerew n-igerewen used by inhabitants along the middle reaches of the river around Timbuktu prior to 19th-century European colonialism. Egerew n-igerewen means River of the Rivers.

paragraph_text: Henry de Puyjalon (born 15 March 1841 Floirac, Lot, France – died 18 August 1905, l'île à la Chasse, Havre-Saint-Pierre, Mingan Archipelago, Quebec) was a late 19th-century scientist and explorer. He explored the north coast of the Saint Lawrence River, and was one of the first Canadian ecologists to suggest wildlife and marine conservation areas.

paragraph_text: The name "" was taken from the Niger River running through the country. This name was coined in the late 19th century by British journalist Flora Shaw, who later married Lord Lugard, a British colonial administrator. The origin of the name "Niger", which originally applied only to the middle reaches of the Niger River, is uncertain. The word is likely an alteration of the Tuareg name "egerew n-igerewen" used by inhabitants along the middle reaches of the river around Timbuktu prior to 19th-century European colonialism.

paragraph_text: The Red River Resistance (or the Red River Rebellion, Red River uprising, or First Riel Rebellion) was the sequence of events that led up to the 1869 establishment of a provisional government by the Métis leader Louis Riel and his followers at the Red River Colony, in what is now the Canadian province of Manitoba. For a period it had been a territory called Rupert's Land under control of the Hudson's Bay Company.

paragraph_text: Glaciers end in ice caves (the Rhone Glacier), by trailing into a lake or river, or by shedding snowmelt on a meadow. Sometimes a piece of glacier will detach or break resulting in flooding, property damage and loss of life. In the 17th century about 2500 people were killed by an avalanche in a village on the French-Italian border; in the 19th century 120 homes in a village near Zermatt were destroyed by an avalanche.

paragraph_text: The Lubefu River is a tributary of the Sankuru River, which in turn is a tributary of the Kasai River in the Democratic Republic of the Congo.

paragraph_text: The Spanish colonies won their independence in the first quarter of the 19th century, in the Spanish American wars of independence. Simón Bolívar (Greater Colombia, Peru, Bolivia), José de San Martín (United Provinces of the River Plate, Chile, and Peru), and Bernardo O'Higgins (Chile) led their independence struggle. Although Bolivar attempted to keep the Spanish - speaking parts of the continent politically unified, they rapidly became independent of one another.

paragraph_text: Tatarka River () is a river in Perm Krai, Russia, a right bank tributary of the Babka River, which in turn is a tributary of the Sylva River. The river is long.

paragraph_text: The city was originally built on a hilly peninsula surrounded by the River Aare, but outgrew natural boundaries by the 19th century. A number of bridges have been built to allow the city to expand beyond the Aare.

paragraph_text: The Tekezé River rises in the central Ethiopian Highlands near Mount Qachen within Lasta, from where it flows west, north, then west again, forming the westernmost border of Ethiopia and Eritrea from the confluence of the Tomsa with the Tekezé at to the tripoint between the two countries and Sudan at . After entering northeastern Sudan at the tripoint it joins the Atbarah River, which is a tributary of the Nile. The Tekezé is perhaps the true upper course of the Atbarah, as the former follows the longer course prior to the confluence of the two rivers.

paragraph_text: Beyeda is one of the woredas in the Amhara Region of Ethiopia. Located in the easternmost point of the Semien Gondar Zone, Beyeda is bordered on the south by the Wag Hemra Zone, on the west by Jan Amora, on the north by Tselemt, and on the east by the Tekezé River which separates it from the Tigray Region. The major town in Beyeda is Dil Yibza.

paragraph_text: During the 16th and 17th centuries slave traders began to raid the region as part of the expansion of the Saharan and Nile River slave routes. Their captives were slaved and shipped to the Mediterranean coast, Europe, Arabia, the Western Hemisphere, or to the slave ports and factories along the West and North Africa or South the Ubanqui and Congo rivers. In the mid 19th century, the Bobangi people became major slave traders and sold their captives to the Americas using the Ubangi river to reach the coast. During the 18th century Bandia-Nzakara peoples established the Bangassou Kingdom along the Ubangi River.

paragraph_text: The Cuyuni River is a South American river and a tributary of the Essequibo River. It rises in the Guiana Highlands of Venezuela where it descends northward to El Dorado, and turns eastward to meander through the tropical rain forests of Guyana. It finally turns southeastward, flowing to its confluence with the Mazaruni River. The Cuyuni River marks the limit of the disputed territory of Guayana Esequiba for approximately .

paragraph_text: The Kanawha River ( ) is a tributary of the Ohio River, approximately 97 mi (156 km) long, in the U.S. state of West Virginia. The largest inland waterway in West Virginia, its valley has been a significant industrial region of the state since early in the 19th century.

paragraph_text: The Berlin Conference (German: Kongokonferenz or ``Congo Conference '') of 1884 -- 85 regulated European colonization and trade in Africa during the Imperialism period, and coincided with Germany's sudden emergence as an imperial power. Called for by Portugal and organized by Otto von Bismarck, first Chancellor of Germany, its outcome, the General Act of the Berlin Conference, can be seen as the formalization of the Scramble for Africa. The conference ushered in a period of heightened colonial activity by European powers, while simultaneously eliminating most existing forms of African autonomy and self - governance. During this colonial time, the economy of Africa was re-arranged to serve Europe and Europeans, and the European industrial chain began in Africa and ended in European industrial warehouses.

Question: Who controlled a lot of governments and financial agents in the continent where the river that Tekeze River turns into is located at the end of the 19th century?
Answer: European powers