There were various reasons why the American Colonies were established. The three most important themes of English colonization of America were religion, economics, and government. The most important reasons for colonization were to seek refuge, religious freedom, and economic opportunity. To a lesser degree, the colonists sought to establish a stable and progressive government. Many colonies were founded for religious purposes. While religion was involved with all of the colonies, Massachusetts, New Haven, Maryland, and Pennsylvania were estab ....