Firms in perfectly competitive industries are unable to control the prices of the products they sell and earn a positive economic profit in the long run. Which of the following is one reason for this? 

Puritans believed that women

The first battle at Manassas (or Bull Run) in July 1861 is significant because it

According to John Winthrop’s sermon, the Puritans had “entered into a covenant” with God, meaning that they

Free Soilers

Harriet Beecher Stowe’s Uncle Tom’s Cabin (1852) influenced Northerners’ attitudes toward slavery

The Crusades created a mentality in Europe which emphasized

Agriculture changed Archaic cultures because it

The majority of persons arrested on charges of witchcraft in Salem

Slavery in Africa