Please help! Which effect did the Vikings have on European society? O A. They rolled back the advances of Charlemagne. O B. They decreased the need for standing armies. C. They reduced Mongol influence. O D. They eliminated feudalism.

How did tyrants attempt to gain the approval of common citizens in ancient greece?

Why is ivan iv known as “ivan the terrible”?

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. (10 points)