Two years later, President John Adams named him governor of the newly established Indiana Territory, a post he held until 1812. After the War of 1812, he moved to Ohio where he was elected to represent the state's 1st district in the House in 1816. Two years later, President John Adams named him governor of the newly established Indiana Territory, a post he held until 1812. After the War of 1812, he moved to Ohio where he was elected to represent the state's 1st district in the House in 1816. In 1824, the Ohio state legislature elected him to the U.S. Senate; his term was truncated by his appointment as Minister Plenipotentiary to Gran Colombia in May 1828.