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During the Cold War, the Soviet Union launched the satellite Sputnik, which was a major event because it launched the "space race" between the Soviet Union and the US.
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Answer:
Lewis and Clark made significant additions to the zoological and botanical knowledge of the continent, providing the first scientific descriptions of many new species of animals, including the grizzly bear, prairie dog, pronghorn antelope, and mountain goat.
Explanation:
Brazil gained its independence on September 7th, 1822, when Dom Pedro proclaimed Brazil's independence after an antagonistic relationship with Portugal proved too much for the Brazilian people. It all began when Napoleon I invaded Portugal in 1807.
Answer:
The number of enslaved people increased rapidly.
