Ans: The US government's decision to develop a hydrogen bomb, first tested in 1952, committed the United States to an ever-escalating arms race with the Soviet Union. The arms race led many Americans to fear that nuclear war could happen at any time, and the US government urged citizens to prepare to survive an atomic bomb.
This is a sharecropper.
(Dictionary) sharecropper (noun):
tenant farmer who gives part of each crop as rent
Nast created a way for those who couldn’t read to understand what Tammany was doing, to be informed. He turned down a $500,000 bribe and faced death threats, in his quest to inform the public, and change the public's view of Tammany Hall
Powerful European nations began a process of taking over entire sections of the world in the 1800s and early 1900s, a series of conquests remembered as imperialism that set up mighty empires.