The best options from the list would be that "c. People divide up necessary labor," "d. People have begun to build cities" and "<span>b. People have learned to farm and grow a surplus of food," since all of these aspects lend to the stability of the civilization in question. </span>
Answer:
Nixon promised to end the war
Nixon ended up expanding the war into Cambodia
Explanation:
The correct answer is:
A. Machines rapidly produced large amounts of products.
The development of a system of mass production in manufacturing meant that machines rapidly produced large amounts of products.

I could be wrong but:
1: revise the Treaty of Versailles.
2: unite all German-speaking people into one Reich.
3: expand eastwards to achieve Lebensraum.