When the admission of new states threatened the balance of free and slave states in the union, which kentucky senator drew up the "missouri compromise" in 1820?

Henry clay

Explanation:

When the admission of Missouri as a slave state threatened the balance between the number of free and slave states in the Union, Henry Clay drew up the "Missouri Compromise." Under his plan, Missouri entered as a slave state and Maine was added as a free state to keep the balance

i think it's b

b. the right to wage war and make peace