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.
Requiring the vaccination of schoolchildren, even if their religion opposes it
I think it was Native Americans, I could be wrong though...
Answer:
He wanted to prevent political parties, because he knew that eventually this would lead to a divided nation which would mean the concept of "peace" and "freedom" in america would slowly break apart.
Japan invaded "China" in 1937, due mostly to the fact that Japan and China had actually been engaged in conflict for quite some time, and Japan was trying to acquire more resources.
