Answer:
is :The North opposed the extension of slavery into new states.
Explanation:
The answer is mercantilism.
The best options from the list would be that "A. The early Chinese learned to
produce silk," "B. A surplus of food crops allowed people in early China to become craftsmen and artisans," and "<span>E. They relied on a single, long growing season for rice," since this abundance of food led to other trades being developed. </span>
The name of that pact was Ribbentrop-Molotov Pact: the pact of non-agression between Germany and Soviet Union (that also secretly involved splitting Europe among them).