It provide income in terms of exports and taxes, and it gave British industry and merchants a place to export their goods. Even better when they could pass laws requiring the colonists to only buy British goods, thus preventing other European rivals from <span>gaining revenue from the 13 colonies. </span>
It protected the United States from competitors located in foreign countries.
Push factors are the example of poverty, political and religious persecution. the like of which were in Europe during the mass exodus to the new world.
Pull factors include job opportunity,education opportunity, peace and freedoms as well as higher standards of lives.