Answer:
The Republican Party was made due to the increasingly amount of slavery expansion into US territories, and the Republican Party did not like that. After the Whig Party also fell, this allowed the Republican Party to form.
Explanation:
After Kansas, the massive expansion of slavery was the most major reason the GOP was formed, allowing Lincoln to be the first president. The Whig Party. After Kansas-Nebraska act, a lot of northern whigs began to join the Republicans
