Why does Sam Houston believe preserving the Union is better than disunion?

Sam Houston believed preserving the Union was essential for maintaining peace, stability, and prosperity in the nation. He feared that disunion would lead to conflict, economic hardship, and the loss of the democratic ideals upon which the country was founded. Houston also recognized that the division could weaken the United States against foreign threats and diminish its global standing. Ultimately, he viewed a united nation as vital for the welfare of its citizens and the future of democracy.