Which U.S. President, nicknamed 'Old Hickory', was known for his populist policies and controversial actions during his two terms?

1. His presidency saw the Trail of Tears, a forced relocation of Native Americans.
2. He vetoed the re-chartering of the Second Bank of the United States.
3. He was a hero of the Battle of New Orleans in the War of 1812.
4. He served as the seventh U.S. President.