How did the views of henry clay and james polk differ in the election of 1844

Democrat James K. Polk defeated Whig Henry Clay in a close contest turning on the controversial issues of slavery and the annexation of the Republic of Texas. President John Tyler's pursuit of Texas annexation threatened the unity of both major parties. Annexation would geographically expand American slavery.

Explanation:

these civilizations were located around fertile rivers, where they could produce an abundance of crops

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