Explanation:
The main reason for this was slavery. The US did not want to annex Texas because doing so would have upset the balance between slave states and free states that had been accomplished with the Missouri Compromise of 1820. When Texas became independent, it wanted to join up with the United States.
If you work for a government agency that regulates the buying and selling in the country, then the main purpose that you agency is serving would be "<span>A. Distribution of resources," since this would take the place of a more traditional market system. </span>