He changed his vote because of a letter from his mother asking him to "be a good boy" and vote for the amendment.
Step-by-step explanation:
- Harry Thomas Burn was the youngest member of the state legislature (Tennessee General Assembly )
- He is remembered for the step taken to ratify the Nineteenth Amendment during his very first legislature.
- Even though he really intended to vote for the amendment, he was pressurized by party leaders and other misleading telegrams. He began to side with the Anti-suffragists.
- He received a letter from his mother which made him to change his mind and vote for the amendment.
- The result of the vote was a tie of 48-48, when the house speaker called for a vote on the "merits", but his vote broke the tie in favor of ratifying the amendment.