Answer:
religous freedom
Step-by-step explanation:
In the 1600s, Various early colonies basically force their citizens to adopt Christianity as their religion (Including English colonies). Because of this, many of those Europeans decided to band together and find other territory to start a colony there. They named it the Rhode Island colony.
Their main purpose is to ensure that every one that live in their colony could adopt any religions they want. This is why this colony attract many groups from minorities such as the Quakers and Jewish people.