Explain Manifest Destiny. Then discuss the Mexican War and how the American West fared through 1850. Posted on May 19, 2021 by Ambrose Words: 15Pages: 1Subject: American historyTopics: American West, Assignment help, College essays, Essayhelp, Manifest Destiny, Mexican warExplain Manifest Destiny. Then discuss the Mexican War and how the American West fared through 1850.