What is the answer to both of these

Which of the following best describes a historical interpretation? o a. an unfair prejudice held by earlier cultures b. a source created in the ancient past o c. a conflict between ancient civilizations o d. an explanation for why a past event happened

Which of the following was an effect of allied defeats and high casualty rates on the eastern front? the united states issued the fourteen points. russia entered the war on the allied side. the united states entered the war sooner. russia experienced a revolution and dropped out of the war.

What was the first civilization name of the indians?