Which U.S. President, nicknamed 'Old Hickory,' dramatically expanded the power of the executive branch and was known for his populist appeal?

1. He was a military hero in the War of 1812, particularly at the Battle of New Orleans.
2. His presidency saw the forced relocation of Native Americans known as the Trail of Tears.
3. He vetoed the re-chartering of the Second Bank of the United States, a controversial move at the time.
4. He was the seventh president of the United States, serving two terms.