Answer:
a. Many countries in Europe and Asia were devastated after World War II and had to be rebuilt.
Explanation:
a) after WWII the US emerge as world leader taking the place of the UK and trade betwene Europe and Asia making post in the US improved global trade.
b) The postwar boom increased demand for product.
c) The cultural traditions did changge but not in that direction the world divided into Communinst and Capitalism
d) No, they weren't at all. Even Britain who didn't suffer land invasion has the south coast in ruins as a resutl of the aereal battle of brittian.