Answer: the successful launch of the first artificial satellite
Explanation: so they can get better that the Soviet Union
The American Revolution was principally caused by colonial opposition to British attempts to impose greater control over the colonies and to make them repay the crown for its defense of them during the French and Indian War (1754–63).
favor a strong central government and believe that the government should have the power to control commerce, tax, declare war, and make treaties.
The first machine that can make man glide to the sky and some other science theory he made
