Summarize how WWI changed the nature of warfare.

Which of the following can a citizen do in their own home living room to show support for their chosen candidate? -hold a open primary -hold a closed primary -host a caucus -host a convention

Rivalries between european imperialist powers and the growth of european militaries contributed to which outcome in the early 20th century? o a. many european powers were eager to go to war with one another. o b. european states became less concerned about controlling overseas empires. o c. small countries became more willing to join powerful empires. o d. the alliance system that maintained a balance of power in europe broke down.

Brainliestttme : ) what demographic changes occurred after world war ii?