During the 1844 presidential election, who were the candidates, and what was the main issue?

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 enslavation.

Explanation:

a historian researching the immigration policies of the early 1900s would expect a source written today,rather than in 1910 to :

( a ) be more interested in objective data and statistics.

i think they came to washington to protest