Answer: C. the results of the Mexican War
The consequences of the Mexican War during the late 1840's contributed to the issue of slavery at that time. The issue reached to the extent of debating whether slavery has to expand to other territories.
I think that it's the third one if you're not to sure, I have a site that might help: https://www.britannica.com/event/Tokugawa-period
<span>Toward the close of 1775, Lord North introduced a bill in Parliament, which provided for prohibiting all intercourse with the colonies, until they should submit, and for placing the whole country under martial law. This bill included a clause for appointing resident commissioners in America, who should have discretionary powers to grant pardons and effect indemnities, in case the Americans should come to terms. Having thus determined to place the country under martial law, and to procure the submission of the colonies by force of arms, the next important consideration. was to procure the requisite force. The estimated number of men sufficient to carry out successfully the designs of the ministry, was twenty-eight thousand seamen, and a land force of fifty-five thousand men.</span>
The slave ship was the means by which nearly 12.5 million enslaved Africans were transported from Africa to the Americas between 1500 and 1866.
