There were long seeded differences between the United States and the Soviet Union over ideologies. In the Russian Revolution of 1917 the communists took power. The United States and Britain were worried that the same thing might happen in their countries.
A. It had no allies in Europe or North America
In "Wilson's War Message to Congress", he compares the German government to governments of the past. What he is hoping to convey is <em>the comparison attempts to make the German government look uncivilized and brutal</em>. In early 1917, diplomatic relations with Germany were getting worse. On April 1917, Wilson delivered this message to Congress. Four days later Congress decided that the U.S. should enter the war.
They attacked enemy ships, passenger ships, and trade ships. Basically any ship they saw, they attacked it.
The answer is A, Serviceman's Readjustment Act