I'm doing this for a history unit and im not sure what the answer is i need

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.

In which two days did the spread of enlightenment thought contribute to the french revolution

Did president truman warn japan against a second bomb attack