After the president gets a bill they can choose to either approve or veto it. If they veto it goes back to congress to be voted on again. If he approves it becomes a law.
One reason why English immigration to the colonies dropped dramatically after 1660 was because "<span>c. The English economy improved and political and religious conflict diminished," since this had been a major motivation for much of the colonial emigration leading up to this point. </span>
Portugal first , then Spain