Answer:
The launch of the soviet satellite "Спутник"
Explanation:
The Soviet Union has successfully launched a Satellite named "Спутник" into the earths orbit. The United States started to panic because of the rumors that the satellite could see every single base United States had. The Space Race was later fueled after the Soviets successfully launched a dog into space named лайка. Following that launch several months later Cosmonaut Юрий Гагарин was sent into space as the first man to go into space.
Answer:
i forget the answer sorry
Answer :
The Mexican-American War
Explanation :
The Mexican-American War allowed for the United States to gain and conquer the Southwest. This war also caused sectional conflict in the years leading up to the Civil War.
Transcontinental Railroads, (brainliest would be awesome) :)
