How did charlemagne gather together many of the former roman empires european territories

Approximately how many americans, from both the north and the south, were killed in battle during the civil war?

What should the christian's stand be concerning military involvement? is there ever justification for war? can a war ever be "just"? write your answer in a paragraph of 125 words.

How were the lroquois constitution and the mayflower compact similar to each other