Respuesta :
Answer:
$32 billion
Explanation:
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.
Answer:
$32 billion
Explanation:
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.