President Polk was willing to go to war against Mexico over Texas, but not against Britain over Oregon because Britain was more powerful (more of a threat) than Mexico, and so a war with Mexico would be less costly than one with Britain.
President Polk was willing to go to war against Mexico over Texas, but not against Britain over Oregon because Britain was more powerful (more of a threat) than Mexico, and so a war with Mexico would be less costly than one with Britain.