Although the United States was actively involved in World War I for only nineteen months, from April 1917 to November 1918, the mobilization of the economy was extraordinary. ... Over four millionAmericans served in the armed forces, and the U.S. economyturned out a vast supply of raw materials and munitions.
His hat. Let me know if it’s right
Answer:
the two were rome and constantinople
Explanation:
<span>A large area has large population so it requires a government to keep everything in order and every one under control of it.these politics based on economy where all the products and services are built in obsolescence.This creates great inequality and division among the people as well as serious economic instability.</span>