I may be wrong, but the phrasing might be important here.Do you think the United States should declare war on Germany and send our army and navy abroad to fight?
Gallup, May 18-23, 1940 (Invasion of the Lowlands and France)
Yes: 7% No: 93%
Which of these two things do you think is the more important for the United States to try to do–to keep out of war ourselves or to help England win, even at the risk of getting into the war?
Gallup, June 27-July 3, 1940 (France Defeated)
Yes: 35% No: 61% Unknown: 4%