Final answer:
The decision of Sam Houston to oppose building a navy for Texas is relevant to the Annexation of Texas due to concerns of war with Mexico and the issue of slavery.
Step-by-step explanation:
The decision of Sam Houston to oppose building a navy for Texas because he believed it would drain Texas' finances is relevant to The Annexation of Texas. After the Texas Revolution, Texas remained an independent nation from 1836 to 1846, known as the Lone Star Republic. During this time, there was a debate on whether Texas should be annexed by the United States. The fear of war with Mexico and the issue of slavery were the main concerns surrounding the annexation of Texas.