What caused the end of the reign of czar nicolas 2

Study the graph and then complete the analysis of the data by filling in the missing information.

How did german physicist werner heisenberg's uncertainty principle shake beliefs in newtonian physics?

How did the northern u.s. change during the 19th century? select the best choice from the answers provided. a. it became more industrial. b. it became more agrarian. c. it became less populated. d. it became less diverse