What did Sam Houston work on?

Sam Houston was a prominent American military and political leader best known for his role in the Texas Revolution. He served as the first president of the Republic of Texas and was instrumental in the victory at the Battle of San Jacinto, which secured Texas independence from Mexico. Additionally, Houston held various political offices, including U.S. Senator and Governor of Texas, and he was an advocate for the annexation of Texas into the United States. Throughout his life, he worked on issues related to Texas independence, statehood, and Native American relations.