Which of the following might have been in direct conflict with the united states stance on isolationism at the onset of world war ii?

The most likely answer to this question is answer b, selling weapons to other countries. While the U.S claimed to the rest of the world that it was to remain neutral, it secretly sold weapons to Britain through the lend lease act

the protestant reformation's started in 1517, disturbing the religious and political order in europe´s catholic countries. the outcome was the european wars of religion prosecuted in europe in the 16th, 17th and part of the 18th century. nonetheless, uprisings, territorial disputes, and great power conflicts were also causes of the wars.  

the answer is d. party organizers, volunteers, voters and elected officials.