In October 1939, 82% of Americans blame Germany for starting the war in Europe, but in January 1941, after the Fall of France and the founding of the Tripartite Pact, which is clearly aimed against the United States, the question "Should we keep out of war, or aid Britain, even at the risk of war?" has AID BRITAIN get 68% of the vote. That increase in pro-Allied sentiment triggers Lend Lease aid to the United Kingdom (and to the Soviet Union after it had been attacked by Germany).