Why did the crucial election of 1844 come to be fought over expansionism, and how did polk exercise his "mandate" for expansion in his attempt to obtain california?

The presidential of the United States of America during 1844 was the 15th presidential election of the stat from November 1 to December 4, 1844. The winning president, James K. Polk was a democrat versus Henry Clay. The controversial election sparked debates on slavery and taxes.

Of the revolutions of 1848.

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