NOTE : Its purely my analysis. Aspirants are advised to cover whole syllabus. This an analytical guess. I will not be responsible if Any or None question appeared in paper !

1. Early explorations by Europeans and colonization.
2. Slavery Issue and Civil War.
3. Westward Expansion, Industrialization and Railroad development.
4. George Washington, Franklin D. Roosevelt, Andrew Jackson, Abraham Linlcoln presidency evluation.
5. Obama's presidency, election of 2012, Pak. USA Relation post (Usama Bin Laden).

Please add any topic you think is important.