Answer:
Houston rejected the actions of the Texas Secession Convention, believing it had overstepped its authority in becoming a member state of the newly formed Confederacy. He refused to take an oath of allegiance to the Confederacy and was deposed from office.Houston played a key role in the annexation of Texas by the United States in 1845, and in 1846, he was elected to represent Texas in the United States Senate. ... In this role, he opposed secession and unsuccessfully sought to keep Texas out of the Confederate States of America.
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