How does periodization help us study history?

Was SantaAnna the first permanent English colony founded in the New World? What is on the delta sigma theta shield? Why is it important to read the directions on a test carefully? What are four achievements of Mayan civilization? The Eisenhower administrations major domestic legislative accomplishment in the 1950s was the passage of a law? What was the nationality of the last Chinese dynasty? What did china import along the silk road? What are system of people in different lands who trade goods in Egypt? What was Confederate strategy in the Battle of Antietam? What state was part of Virginia until 1863? What actions did Mohandas gandhi take? Where does the name frost originate from? The Battle of the Alamo was a victory for the forces of? What kind of Indians lived in Colorado? What year was the fort in Saint Augustine Florida built? What did king William do in the harrying of the north? When did baseball player Spud Chandler play? How old is John Boyne? Did Remus and Remulus have any parents? What happened in 1622 that took 300 lives in Jamestown?