The answer for the question is A
Explanation:
Czar ascends to the throne, then WW1 begins, then food and fuel shortages, then the Czar is killed, and last, the Soviet Republic is established.
One of the first tribes were the cherokee tribe
This caused a leftward shift in aggregated demand. The lower investment caused a leftward shift in aggregated supply.
England, Scotland, Wales, and Northern Ireland