Original: A formative member of the Democratic-Republican Party with a political base in NY, Burr served in the New York State Assembly (1784–1785, 1798 1801), as New York State Attorney General (1789–1791), United States Senator (1791–1797), and for one term as vice president under Jefferson.
Simplified: Burr served in the New York State Assembly, as New York State Attorney General, and as a United States Senator before serving as Vice President.