As Time Passed,indentured Servitude Was Increasingly Replaced by African American

Multiple Choice

As time passed,indentured servitude was increasingly replaced by African American slavery,mainly because

A) slaves were cheaper.
B) African slaves worked harder.
C) economic conditions in England improved.
D) the harsh climate killed too many indentured servants.
E) the English preferred to deal with Africans, whom they could easily dominate.