Answer:
The issue was not Texas but slavery. The admission of Texas to the Union would upset the sectional balance of power in the United States Senate, just as the admission of Missouri threatened 15 years earlier. In 1838, John Quincy Adams, now a member of the House of Representatives, staged a 22-day filibuster that successfully blocked annexation. It appeared that Congress had settled the Texas question. Texas would remain an independent republic.
Explanation:
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