In 1856, the Republicans: declared their opposition to slavery. nominated William Seward for president. stood for states' rights. strongly condemned the nativist platform of the American party. campaigned vigorously all over the country.

declared their opposition to slavery.

Explanation:

In 1856, two years after the formation of the Republican Party in 1854 Wisconsin. The Republican party presented John C. Fremont as the party's presidential candidate.

Even though the party lost to the Democratic Party who presented James Buchanan. Republicans centered their campaign on anti-slavery, by declaring their "opposition to slavery."

This made them win a majority of the Northern votes at the time.

the correct option is: a liberal.

the kind of person that is most likely to hold a left-wing political ideology is liberal because they have in common that they support human individual rights and liberties. also, they both have politically and economically centrist.

moreover, a liberal believes that everyone should have equal rights as well as opportunities to succeed in life, and the freedom to make their own decisions as long as they don't attack the rights of other people. all people deserve the same opportunities and basic needs.