Jefferson wanted Lewis and Clark to find an all-water route to the Pacific Ocean, strengthen U.S. claims to the Pacific Northwest by reaching it through an overland route, explore and map the territory, make note of its natural resources and wildlife, and make contact with Indian tribes with the intention of establishing trade with them.
American slaveholders in Texas distrusted the Mexican government’s reluctant tolerance of slavery and wanted Texas to be a new U.S. slave state. Most also disliked Mexicans’ Roman Catholicism and regarded them as dishonest, ignorant, and backward. Belief in their own superiority inspired some Texans to try to undermine the power of the Mexican government.
The Chinese were seemingly more disciplined than the majority of the white miners, gaining a reputation for being extremely hard-working and frugal. White miners resented the mining successes that the Chinese earned. They believed the Chinese were unfairly depriving them of the means to earn a living.