Which event triggered World War II? plz help i need this fast Germany's invasion of Poland

Germany's annexation of Austria

Germany's occupation of the Sudetenland

Germany's invasion of France

Which option most accurately explains roosevelt’s motivation in forming the bull moose party? a. he thought that president taft had failed to continue his policies of progressive reform. b. he thought president taft’s conservation legislation was effective but poorly timed. c. he wanted to change president taft’s foreign policy toward asia. d. he saw that president taft focused on antitrust legislation to the exclusion of other reforms.

Sole i will mark brainlist to who answer

Once the plague became airborne, how could it then be spread?