Answer:The 20th Century: Africa. ... As the century opened, only two countries in Africa, Ethiopia and Liberia, had independent governments; the rest of the continent was run by European governments and companies. The colonialists came with capitalism, missionaries, teachers and settlers. They came, too, with military force.
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Islamic mathematicians quickly adopted the Indian system of numerals, which we know today as Arabic numerals. Other contributions included creating algebra, the use of decimals, mathematical induction, and trigonometry, among others.
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The Progressive Era was a period of widespread social activism and political reform across the United States that spanned the 1890s to the 1920s. The main objectives of the Progressive movement were addressing problems caused by industrialization, urbanization, immigration, and political corruption.
Answer: The technological race between the USA and the Soviet Union wasn't just on Earth. It also reached into space in what came to be known as the "Space Race". Both sides competed against each other to explore inner space. The USSR started the Race by sending the first ever satellite, "Sputnik" into orbit.
I think 1492. but i could be wrong.
