Most of europe traded with nazi germany until the war broke out, but the US trade with nazi germany was especially egregious, as some US companies continued business and making profits during the war. Ford, GE, IBM, and Dow chemical are really bad cases. Coke even re-branded its operations in nazi germany as "fanta", to be able to continue making a profit during the war.

Seeing liberal complaints about the USSRs actions in the lead up to WW2 makes it pretty obvious they're just mad the USSR didn't get defeated by Germany