What was one thing the Treaty of Versailles did? (1 point) O The Treaty of Versailles started the second World War.
OThe Treaty of Versailles created the League of Nations.
OThe Treaty of Versailles allowed America to be isolated.
O The Treaty of Versailles cost the Allies $33 billion.
please help!!

In a democracy, this is held by the citizens who elect leaders to political office

Aresearcher conducting behavioral research collects individually identifiable sensitive information about illicit drug use and other illegal behaviors by surveying college students. one of the subjects is in an automobile accident two weeks after participating in the research study. is this an example of an unanticipated problem that requires reporting to the irb? yes, this must be reported because it was not listed as a risk of study participation in the consent form (was unexpected) and the subject experienced harm.yes, this must be reported because it involved a subject in a research study and it’s up to the irb to determine if it was related to participation.no, this does not need to be reported because it was assessed by the researcher as unrelated to the research study.no, this does not need to be reported to the irb since the researcher reported it to the sponsor of the study.

Brainliest to who answers! what is the function of a purchasing cooperative, or co-op?