Austin argues for Texas' plentiful resources and economic activity. The annexation of Texas following its independence from Mexico was contentious in the modern United States, with many northerners opposing the inclusion of a huge new slave region.
Many Northerners felt that if slavery was not permitted to spread, it would eventually decrease, and die. To support their resistance to establishing additional slave states, they cited Washington and Jefferson's words, as well as the Ordinance of 1787, which prohibited the introduction of slavery into the Northwest.
Congress eventually decided to annex Texas in 1844. On December 29, 1845, Texas became a slave state, widening the country's irreconcilable divides over slavery and sparking the Mexican-American War.
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