What was one of the main issues faced by the Republic of Texas during its early years?

Who was the prominent leader that opposed the annexation of Texas into the United States?

What military group was established to protect the Republic of Texas?

Which event was a failed military expedition aimed at capturing Santa Fe?

What conflict arose in 1840 between Texas and Native Americans?

How did the Republic of Texas address the issue of slavery?

What was the relationship between the Republic of Texas and Mexico?

What was a major economic issue for the Republic of Texas?

Who was the first president of the Republic of Texas?

What was Lamar's vision for Texas?

What year did Texas officially join the United States?

Who was a key figure in the push for Texas annexation?

Which of the following was a reason some Texans opposed annexation to the United States?

What economic reason motivated many Texans to support annexation to the United States?

What major conflict arose as a result of Texas annexation?

What was one significant effect of the Texas annexation on the United States?

What was a compelling argument made by anti-annexationists in Texas?

What type of government did Texas have before its annexation to the United States?

Which U.S. president was a strong supporter of Texas annexation?

Which event in 1836 significantly influenced Texas's desire for annexation?

What was one significant outcome of the Treaty of Guadalupe-Hidalgo in 1848?

Which concept was used to justify the U.S. expansionist policies during the lead-up to the Mexican-American War?

What financial outcome resulted from the Compromise of 1850 for Texas?

What was a major cause of the Mexican-American War?

Which event directly followed the Mexican-American War and significantly changed the landscape of the United States?

What was one effect of the Mexican-American War on the United States?

What year did the Mexican-American War officially begin?

What was a key provision of the Treaty of Guadalupe-Hidalgo regarding land?

What major consequence did the Mexican-American War have on the issue of slavery in the United States?

Which doctrine justified the United States' expansion across the continent during the 19th century?