What was hoovers initial reaction to the stock market crash in 1929?

Which of the following is an example of one of the successes of the marshall plan? a. a few eastern european countries decided to turn to democracy. b. western european economies were stronger than they had been before wwii. c. borders between western and eastern european countries shifted. d. eastern european countries eventually took part in the plan. ( answer in the format above so i can understand)

Which russian tsar transformed thr royal residence in st. petersburg, the hermitage, into a center of culture, painting, and the performing arts

List 3 impacts wwii had on canada.