Answer:
The cash-and-carry policy allows the sale of arms to nations at war but only for cash.
The Lend-Lease Act allows Britain to buy arms from the United States on credit.
The Japanese air force attacks the US army base at Pearl Harbor.
The United States declares war on Japan.
Explanation:
The Cash and carry policy allows the sale of military supplies to allies power on basis of cash and carry. They had to pay cash for American goods, and then transport it on their ships.
The Lend-Lease Act permitted the sale of weapons to other nation under Allied power included United Kingdom, France, China, and later the Soviet Union and other Allied nations.
The United States joined World war II after Pearl Harbor attacked by the Japanese on December 7, 1941. The Japanese Air Force attacked Pearl Harbor to take control over the Pacific Ocean.
