Answer:
John C. Frémont
Explanation:
He ran as the first Republican nominee for President in 1856 behind the slogan "Free soil, free silver, free men, Frémont and victory!"
Answer:
Option 4. Political parties.
Explanation:
The presidential primaries (where the first candidates are elected) are a vital part of the US electoral process. And since nothing about them is laid on the constitution, it's up to the state governments to regulate them.
It's in this phase, where the political parties promote their candidates for the final elections, where only 2 candidates can participate.
The antislavery movement raised and grew because people kept finding reasons for why slavery is bad. This eventually led to conflict between people against slavery and people for slavery. Another reason why the antislavery movement raised and grew was because slavery has become less useful overtime, as we have machines.