One of the main ways in which the modern study of history challenges earlier histories is that we now have many more primary sources available to us, and many more people with access to these sources.
John Smith Persuaded Powhatan of his innocence of violence towards the natives after he was ambushed by the Indians and brought forth to their leader,Powhatan. He convinced them that the settlers were peaceful and meant no harm towards his people. Despite the later ongoing events.
As of 2009, Sunni Muslims constituted 87–90% of the world's Muslim population-
the Shia believe that leader is called an imam and this "caliph/imam" should be a direct descendant of Mohammed-
and I have no clue on the last one