It was 19th century political philosophy in US that support greater democracy for common man.
Civil War’s positive effect on the Texas economy.
The economic term is: Opportunity Cost.
The term opportunity cost is a measure that considers the person's preferences, that means that it is different in every person. It analizes the things you are leaving over whenever you make a decision.
In Katie's example, the opportunity cost of the money she wabts to spend in buying a car is what she is not going to do with that money.
The Boston Tea Party was a political protest that occurred on December 16, 1773, at Griffin's Wharf in Boston, Massachusetts. American colonists, frustrated and angry at Britain for imposing “taxation without representation,” dumped 342 chests of British tea into the harbor.