Why did the US not initially want to annex Texas?

The United States initially hesitated to annex Texas for several reasons:

Political Instability: Texas was embroiled in political instability during the 1840s. It had declared independence from Mexico in 1836 but faced constant threats from Mexican incursions and internal political factionalism. The US feared that annexing Texas would embroil them in conflicts and potentially start a war with Mexico.

Sectionalism: Annexation of Texas became a divisive issue in American politics, particularly regarding the balance of power between the free and slave states. Many Northern states opposed annexation, fearing it would increase the political power of the slaveholding Southern states and upset the delicate balance in Congress.

Economic Considerations: Some Americans, especially in the Northeast, had economic concerns about annexing Texas. They feared that Texas's admission would lead to increased competition for Western lands, potentially hurting the economic interests of established industries and agricultural regions.

Mexican Claims: Mexico continued to claim Texas as its territory, and annexing Texas could have led to a potential conflict or even war with Mexico. The US desired to avoid military confrontation and sought diplomatic solutions to resolve the Texas issue.

International Pressure: European powers, particularly Britain, opposed the US annexation of Texas. Britain had its own imperial ambitions in the region and was concerned about the expansion of American influence in the Western Hemisphere.

Eventually, the US decided to annex Texas in 1845, despite these initial reservations. The decision reflected the growing influence of pro-annexation forces, the desire to expand American territory, and the increasing assertiveness of the US in regional and global affairs.