When it came to the issue of the extension of slavery, president james k. polk favored free soil. abolitionism. popular sovereignty. an extension of the missouri compromise. the wilmot proviso?

The correct answer is an extension of the Missouri compromise.

. Polk favored the idea of extending the Missouri Compromise which would have excluded slavery from present-day Washington, Oregon, Utah, Idaho, Nevada, and the northern half of California while allowing it in what is now New Mexico, Arizona, and southern California.