What were Thomas Jefferson’s concerns with the Louisiana Purchase? A. He feared the nation was growing too large to govern  
B. He feared the debate between slave and free states  
C. He worried he had paid too much  
D. He worried that he had overstepped the Constitution

A. he feared the nation was growing too large to govern

Explanation:

" He was concerned that the Constitution did not address the liberties that were protected by the Bill of Rights." (Thoughts co)

"the Constitution did not specifically grant the federal government the authority to acquire more territory..." (National archives)

a. factors that are used to make goods and services

roosevelt believed that in light of the country's recent military successes, it was unnecessary to use force to achieve foreign policy goals, so long as the military could threaten force. this belief, and his strategy of “speaking softly and carrying a big stick,” shaped much of roosevelt's foreign policy.