<span>Answer:
Congress debated a proposal to limits the number of immigrants from Europe, temporarily. Congressman Lucien W. Parrish (a democrat from Texas) vs. Meyer London (a socialist from New York). Parrish's views prevailed, and European immigration was later permanently restricted.</span>
The answer is B because the Mechanical Reaper changed the way the world worked at the time; It made the demand for slaves go up as the work necessitated some manual work