How did international diplomacy hinder England’s early entry into New

How did international diplomacy hinder England’s early entry into New World colonization?

a. The English were reluctant to enter the New World because colonization threatened their alliance with Spain.
b. The English were reluctant to enter the New World because colonization threatened their alliance with France.
c. The English were reluctant to enter the New World because colonization would force Spain to ally itself with Portugal and France.
d. The English were reluctant to enter the New World because they did not want to cause problems with the Pope.
e. The English were reluctant to enter the New World because colonization threatened their trading agreements with the Dutch.

ANSWER
A