What caused the spread of freedom in the u. s., and what did not promote the spread of freedom

Which is not a characteristic of a multiparty system?

How did the voting rights act and the 15th amendment combine to improve individual rights for african americans

Which of the following arguments decided the debate over using the atomic bomb against japan in 1945? using the bomb would destroy the armaments still available to japanese forces in japan. using the bomb would demonstrate the power of the united states to the entire world. using the bomb would shorten the war and avoid heavy casualties among invading troops. using the bomb would enable allied forces to invade and take over the japanese mainland