Answer:
Supplying them with weapons of war such as ships bombs and tanks
Step-by-step explanation:
The League of Nations was established at the end of World War I as an international peacekeeping organization. Although US President Woodrow Wilson was an enthusiastic proponent of the League, the United States did not officially join the League of Nations due to opposition from isolationists in Congress. That is why they did not join the league of nations
American shipments of telephone cable, aluminum, canned rations and clothing were also critical. Lend-Lease also supplied significant amounts of weapons and ammunition. The Soviet air force received 18,200 aircraft, which amounted to about 30 percent of Soviet wartime fighter and bomber production (mid 1941–45). t