Premise: The Republican Party, early named Liberian Party, was a political party founded soon after the establishment of Liberia in 1848. It was known to be made up primarily of Americo-Liberians who had mixed African and European ancestry. Its main opponent was the True Whig Party.
Hypothesis: The Republican Party, early named Liberian Party, was a political party founded soon after the establishment of Liberia in the mid 1800's.  Its main opponent was the True Whig Party.