PLEASE HELP ILL MARK BRAINLIEST AND GIVE 30 POINTS JUST HELP ME What is the most significant cause of conflict in the 20th century???

Which of the following terms could be applied to the non-aligned nations during the cold war

Unique among the rulers of this time, persian emperors installed governors in their provinces tolerated local cultures and laws wielded absolute power maintained an extensive army

Why was the u. s. annexation of hawaii delayed until william mckinley became president? a: the rebels who overthrew queen liliuokalani opposed u. s. annexation. b: the senate did not approve the treaty of annexation until mckinley entered the white house. c: supporters of the nationalist cause were in the majority in hawaii until 1898. d: mckinley’s predecessor, grover cleveland, refused to sign the treaty of annexation.