What event is considered to be the spark or starting point of the crusades?

If one thinks illegal immigrants should become american citizens, should they become american citizens automatically or should there be a waiting period? if there should be a waiting period, explain why.

African-american soldiers in world war ii sometimes felt they were fighting for two victories, one abroad and one in europe true or false

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