<span>strengthened their military and their desire to expand their Empires.</span>
The main way in which the railroads contributed to the end of the large buffalo herds was that "The railroad tracks were obstacles that the buffalo would not cross". It sounds silly, but the buffalo actually refused to cross the tracks for reasons that are still misunderstood.<span />
Leader Henry Clay<span> designed a compromise, which failed to pass in early 1850, due to opposition by both pro-slavery southern Democrats, led by </span>John C. Calhoun<span>, and anti-slavery northern Whigs.</span>
The answer is B, each state had one vote, regardless of their size or population.
Answer:
-technological advance like Steam powered riverboats
-means to control disease
-they were no longer confined to the coast