which of the following is an example of an open question?

How did americans disagree over the role of federal and state goverment before and durning the civil war

Who was in charge of american troops during world war i?

What was a cause of the boer war? a. conflicts between boers and bantu c. disputes over land ownership b. conflicts over water rights d. desire to control the region's mineral wealth select the best answer from the choices provided a b c d