Answer:
B. They did not want slavery to extend to new areas of the United States.
Explanation:
The abolitionists didn't want to support the Mexican-American War because they did not want another slave state, in this case, Texas. War was always supported by both sides.
They thought in another slave state like political instability in the United States, but they thought that there were more benefits about the war, and Texas was become in the 28° state of the United States and also in another state slave.
The best answer for this question would be:
C) To acknowledge primary documents are without bias.
<span>History has been recorded ever since the beginning of time, it is important to look into the primary documents in history and to understand each perspective. Understanding history means, not being biased with the basis of your understanding, every era has a reason why those events had happened.</span>
The correct answer is: "Mexico would get Texas, Arizona, and New Mexico"
Arthur Zimmerman (1864-1940) was the State Secretary for Foreign Affairs of the German Empire during 1916 and 17. He is mostly known because of the secret communication he sent to Mexico during WWI, in January of 1917, called the Zimmerman Telegram.
He aimed to propose and alliance between Germany and Mexico, as a measure of prevention in case the United States decided to join the war. The proposal offered to Mexico that they would recover their former territories of Texas, Arizona and New Mexico.
The communication was intercepted by the British intelligence bodies, and caused the opposite effects to the desired ones. It enraged the US, that ended up declaring the war to Germany in April 1917.
University of oslo auditorium. Oslo, Norway
The impact was that many other countries also declared war on Germany. Hope it helps:)