Why Did Sir Humphrey Gilbert and Sir Walter Raleigh Fail

Why did Sir Humphrey Gilbert and Sir Walter Raleigh fail in their attempts to colonize the New World?

A) The government provided insufficient financial support.
B) They were more interested in agriculture than in trade,and they chose areas without good farmland.
C) They tried to set up colonies on the coast of Florida,and the Spanish fought off their attempts.
D) Native Americans attacked the settlers,driving them from the land.
E) They tried to mingle Protestants and Catholics,who were unable to get along.