Looking at the development of the thirteen original colonies, what religions or religious groups were most important?

Religion was important in the founding and expansion of colonies in the New World. Looking especially at the development of the thirteen original colonies, what religions or religious groups were most important? What leads you to that conclusion? Please write a two page essay in which you discuss the most important religious group(s) and what made them most important. Please make sure you include a focus on the long term political, economic and social ramifications.