In 1883 who was responsible for creating 5he first system of time zones in the United state?

Which statement describes a similarity between the great migration and to this day

In at least two paragraphs, discuss the differences between the principles of republicanism and democracy. explain whether you think the united states is more of a republic or a democracy. refer to at least one example from the constitution.

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