The answer for the blank spaces in this sentence will be:
Religious Freedom
John Calvin
The complete sentence will be as follow:
In the introduction, the authors point out the differing motivations for colonization. If acquiring worldly riches was the main motivation in the southern colonies, religious freedom was the main motivator for people going to New England. Based on the teachings of John Calvin of Geneva.
Puritan theology is that the Church of England has been corrupted by the catholic practices and they sought to "purify" the Church. The group contained the English reformed Protestants in 16th and 17th century, they believed that God has made a special agreement with them and expects from them to live as the Scriptures guide them.