By 1700,English Colonial Landowners Began to Rely More Heavily on African

By 1700,English colonial landowners began to rely more heavily on African slavery in part because

A) of a declining birthrate in England.
B) of worsening economic conditions in England.
C) landowners in the southern colonies became less capable of paying indentured servant wages.
D) the English government had come to discourage the practice of indenture.
E) colonial parliaments passed laws improving the status of indentured servants.