Fill in the blank the allies agreed on a europe first strategy only because (blank) had the abillity to bomb britian, fight u. s., and british navies, and seriously threaten to defeat the soviet union

Explain the reasons for u.s. neutrality during the 1920s and 1930s. how did ideas about neutrality change during the period from the end of world war i to the passage of the lend-lease act? be sure to include any events, terms, or people that may support your response.