Reconstruction occurred after the Civil War, lasting from 1865 to 1877.
So the answer is A. Reconstruction.
Because the president is over a democracy
The Great Depression caused serious inflation, so the answer is "Prices". Hope that helps!
Congress has the power to establish post offices and post roads, issue patents and copyrights, fix standards of weights and measures, establish courts inferior to the Supreme Court, and
to make all laws which shall be necessary and proper for carrying into execution.