Answer:
Competition in the Cold War
Explanation:
The Soviet became the second country to develop nuclear weapon after the United States. As both countries engaged in military weapon which led to the development of missile and rocket. The U.S. began to panic when the Soviet launch the first artificial satellite called Sputnik to go to space.
The successful launching of Sputnik I by the Soviet Union led to the direct formation of NASA in America. Government passed the National Aeronautics and Space Act in 1958. The Sputnik I was a technological success with its size, caught everyone attention, especially Americans who were astonished by Soviet technology.
Yuri Gagarin became the first to go to space. John Glenn became the first American to orbit the earth. Neil Armstrong became the first human to step on the moon.
Answer:
Yuan dynasty was marked by struggle, famine, and bitterness among the populace.
Hope this helped!
All the expeditions were because their country's needed to find new land to conquer. They all were after more land so they could have power over the people that lived there. They also had expeditions to discover new places and to study the world.
It was factory system assembly because then they had lots of companies that would make weapons for them