Answer:
The Americans
Explanation / Resources:
"The United States received the disputed Texan territory, as well as New Mexico territory and California. The Mexican government was paid $15 million — the same sum issued to France for the Louisiana Territory. The United States Army won a grand victory." (www.ushistory.org)
"The Mexican-American War was a conflict between the United States and Mexico, fought from April 1846 to February 1848. Won by the Americans" (www.britannica.com)
Keep in mind that inciting is to persuade, pressure or to make a person him/her act or participate in a certain violent or unlawful situation he/she might not want to be in. So knowing this which of the following situations presented above might cause chaos or make someone participate in a violent or terrible situation which consequences would be horrible or might become horrible? Think carefully. Don't think I'm referring to C.