Answer: c. Increased immigration from North Africa.
Explanation:
After World War II, European countries such as France, Belgium, and Germany began to admit and even lure foreign workers. The economic boom in Europe brought immigrants from impoverished European countries, as well as from the Mediterranean, North Africa, and the Middle East. These governments saw the migrants as temporary guest workers.
During the Depression, wage cuts and unemployment eventually affected "<span>d. all levels of society," since the economy as a whole began to falter due to a lack of consumer spending. </span>