During World War II, Marshall was instrumental in preparing the U.S. Army and Army Air Forces for the invasion of the European continent. Marshall wrote the document that would become the central strategy for all Allied operations in Europe.
2. The correct answer is C. "East Berliners could no longer visit West Berliners."
The Berlin Wall split up Berlin into two distinct parts with two very different societies. East Berlin became controlled by the Soviet Union while West Berlin was controlled by the US and other members of the allied forces from World War II. Citizens were not allowed to access the other side. This split up families, caused people to lose their jobs, and resulted in violence/death (as many tried to escape to West Berlin but were killed by armed guards).
3. The correct answer is B. "He did not want to lose the support of Southern Democrats."
Kennedy feared that losing this huge block of voters would make it more difficult to pass laws in Congress and would make re-election efforts much more difficult as well.
4. The answer is B. "sex."
Kennedy signed this law into place in 1963 as part of his "New Frontier" policy. This was aimed at closing the gap between the wages of men and women in the United States.