Which event is used by historians and economists to mark the beginning of the Great Depression? A. Black Tuesday, which was the day the stock market collapsed
B. 1930, which was the year unemployment reached 10%
C. The passage of the Smoot-Hawley Tariff Act
D. Black Thursday, which was the day hundreds of banks failed in New York

Thesis statement for negative effects on immigration

Which is one reason many african nations have not prospered after gaining independence from european colonial powers? a. colonial powers sent their weakest economic advisors to the new countries, and their recommendations were flawed. b. independence left them with weak economies, and many countries have been unable to overcome or recover from these burdens. c. the desert region of the interior is inhospitable to foreign investors, and business interests focused on the coastal mediterranean cities. d. the money endowed upon independence is still tied up in the bank of england, which is hesitant to make loans to struggling nations.

Which of the following is/are a major technological advances of the mayan civilization? a. the calendar c. math b. architecture d. all of the above