Answer:
In 1965, the United States launched Operation Rolling Thunder, which involved using aircraft to bomb North Vietnam.
Explanation:
Operation Rolling Thunder was a military operation in the Vietnam War, which took place in the mid to late 1960s. Operation Rolling Thunder was President Lyndon B. Johnson's attempt to destroy the industry and communications of North Vietnam to stop the aid provided by this country to the Vietcong and the continuous shipments of troops of the Armed Forces of the Democratic Republic of Vietnam.
A.) more factories and money
The North and the South had pretty equal army sizes during the war. The North had a big industrial industry during this time. The Confederacy had 1/9 of industrial capacity compared to the North at the start of the war.
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