Answer:
The Domino Theory was based on the idea that communism was a contagious force that spread from country to country. It was first advanced during Harry S. Truman's presidency, when WW2 ended, as the United States adopted the policy of Containment to restrict communist expansion and the sphere of influence held by the USSR.
it is called sovereign state
I don't know where it is but it is important because it has a lot of water and most people needs it
One of the most extensive laws ever enacted, the SOCIAL SECURITY ACT of 1935 created a system to help promote the welfare of U.S. citizens. It was part of Roosevelt's second New Deal. Social Security provides benefits, including a pension system for retirement, a system of unemployment compensation, and assistance for the disabled. These benefits are subsidized by income tax with holdings.
Answer:
I think it's Gutenberg's press.
Hope it helped.