Because of slavery,the Europeans wanted to make them work without pay
It's the Navigation Acts. The Navigation Act was passed on 9 October 1651 by the Rump Parliament drove by Oliver Cromwell. It approved the Commonwealth to control exchange inside the states. It fortified a long-standing guideline of government strategy that English exchange ought to be conveyed in English vessels.
They didnt like the fact the black people had the chance to take office also vote