Respuesta :
The accomplishment of President James K. Polk from the Mexican-American War was D. He gained control of California and New Mexico.
What was the causes of the Mexican-American War?
Between 1846 and 1848, America engaged Mexico in a territorial war so that Texas's independence could be recognized. In addition, the Americans desired to expand their territory toward the west. As a result, the territories of Oregon, California, and New Mexico were added as part of the settlement of the Texas border dispute.
Thus, the Mexican-American War, President James K. Polk gained Option D.
Learn more about the Mexican-American War at https://brainly.com/question/492912
Answer:
d. He gained control of California and New Mexico Explanation: i took the k12 quiz.