I believe the answer is: A, C, D
Option B is wrong because you are listening to the other person DURING the negotiation process, not before the negotiation process.
Option E is wrong because sharing full facts about your situation would make your negotiating opposition often a certain of power and influence during the negotiation process.
The most important effect of the annexation of the Mexican cession was the increase of the United States by size. Some of the surrendered territories were California, Utah, Nevada, most of Arizona, half of New Mexico, a quarter of Colorado and a small porting of Wyoming.
A system of interlocking and interdependent food chains.
