Which of the following was an internationalcause of the global depression?

The Great Depression of the 1930s was a global event that derived in part from events in the United States and U.S. financial policies. ... The U.S. stock market crash of 1929, an economic downturn in Germany, and financial difficulties in France and Great Britain all coincided to cause a global financial crisis.

Explanation:

can someone me with this question:  

1) the end of the conflict between the north and the south didn’t just mark the end of a war; it marked the end of an entire way of life.” which statement best describes what this statement means?  

a) the southerners were no longer free and were controlled by the northern states.

b) the industrial economy in the north was not sustainable.

c) slavery became illegal, which changed completely the south’s labor force and the agricultural economy was destroyed.

d) the states decided to relinquish their independence and return to britain’s rule.