The answer is answer chioce D or A. I can't quite figure out.
Rockoff estimates the total cost of World War I to the United States at approximately $32 billion, or 52 percent of gross national product at the time. He breaks down the financing of the U.S. war effort as follows: 22 percent in taxes, 58 percent through borrowings from the public, and 20 percent in money creation.
TBH Im going to guess this but i think its going to be <span>mobility</span>
The Great Depression, it wasn't that great though.