C) he explored parts of Canada for England who is rulers use his trip to claim much of North America
Historically, the caliphates were polities based on Islam which developed into multi-ethnic trans-national empires. During the medieval period, three major caliphates succeeded each other: the Rashidun Caliphate (632–661), the Umayyad Caliphate (661–750), and the Abbasid Caliphate (750–1258).
Nine million, slavery ended there in 1821. Though blacks made significant moves north and west, at the turn of the 20th century, over seven million of the nation's almost nine million blacks lived in the South.