# Why did Hitler declare war on the U.S.?

**URL:** <https://boards.straightdope.com/t/why-did-hitler-declare-war-on-the-u-s/1033976>\
**Category:** Great Debates\
**Created:** [October 19, 2026, 8:38pm UTC](https://boards.straightdope.com/t/why-did-hitler-declare-war-on-the-u-s/1033976 "2026-10-19T20:38:43Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Leftpopulist](https://avatars.discourse-cdn.com/v4/letter/l/ee7513/32.png) [@Leftpopulist](https://boards.straightdope.com/u/Leftpopulist)\
**Post date:** [October 19, 2026, 8:38pm UTC](https://boards.straightdope.com/t/why-did-hitler-declare-war-on-the-u-s/1033976/1 "2026-10-19T20:38:43Z")

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after 12/7/41, the isolationists could have said, “OK, we’re at war with Japan, but we can still stay out of Europe.” Hitler made it easier for FDR to commit totally. Why?

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**Author:** ![Aspenglow](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/aspenglow/32/76_2.png) [@Aspenglow](https://boards.straightdope.com/u/Aspenglow)\
**Post date:** [October 19, 2026, 8:44pm UTC](https://boards.straightdope.com/t/why-did-hitler-declare-war-on-the-u-s/1033976/2 "2026-10-19T20:44:49Z")

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Moderating:

This discussion is not framed as a debate, or with any framework at all, really. We expect posters to give some citations and assertions to support their initial discussion.

Accordingly, this is closed. Feel free to try again with some meat on the bones.

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**Author:** ![Aspenglow](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/aspenglow/32/76_2.png) [@Aspenglow](https://boards.straightdope.com/u/Aspenglow)\
**Post date:** [October 19, 2026, 8:45pm UTC](https://boards.straightdope.com/t/why-did-hitler-declare-war-on-the-u-s/1033976/3 "2026-10-19T20:45:01Z")

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