Which of the following is an example of the political impact of the kansas-nebraska act?

a) a strong, united whig party won the white house in the next presidential election.
b) nearly half of northern democrats joined the patriotic american party.
c) the whig party collapsed, and many disgruntled northerners joined the new republican party.
d) stephen douglas and abraham lincoln decided to become running mates for the presidential election of 1856.
e) the new free soil party strongly endorsed the act and won new congressional seats in several upper south districts.