The major goal of the Republic of Texas was annexation to the United States to expand westward, leading to the Mexican-American War.
The major goal of the new Republic of Texas once it became independent was annexation to the United States.
Following Texas' independence, the desire to join the United States and expand westward was a prevalent aspiration among Texan settlers. The annexation of Texas to the Union eventually occurred in 1845.
The annexation of Texas played a role in the onset of the Mexican-American War due to tensions it caused with Mexico.
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