Baby boomers happened as a result of the oil boom.
Answer:
Explanation:
the mass migration of African Americans out of the South continued. Black sharecroppers came North for industrial jobs, and they brought their music with them. This migration had a tremendous influence on blues, jazz, R&B and rock-n-roll
Because it had a great effect on history.
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.
