Essay and discussions

In a chronological order, select four historical events from the time period of 1492-1877. 

Explain how these events significantly changed the United States. the length is 3-4 pages. Due date July 5. 

Also i have 3 questions as follows 

1. Discuss: Edmund S. Morgan, "Puritans and Sex"

2. Discuss: James Kirby Martin, "A Most Undisciplined and Profligate Crew"

3. Discuss: Edward Pessen, "The Jacksonian Character" Assignment