I would say B.
as Imperialism during the industrialization era allowed for nations to colonize under developed nations in Africa and Asia. Which gave them access to their natural resources and markets
For example the British Empire had a vast amount of land with a array of resources but they held economical markets in Asia (China, India and Malaysia)
<span>Christopher Columbus </span>
First, Missouri would be admitted to the union as a slave state, but would be balanced by the admission of Maine, a free state, that had long wanted to be separated from Massachusetts. Second, slavery was to be excluded from all new states in the Louisiana Purchase north of the southern boundary of Missouri.