Brainliest involved!! Help please if you are able

In behalf of anti-slavery forces throughout the country, a Democratic congressman from Pennsylvania named David Wilmot offered an amendment (August 8, 1846) to the bill forbidding slavery in the new territory, thus precipitating bitter national debate in an atmosphere of heightening sectional conflict.

The answer is the last option

Explanation:

its tr3way you already know

answer; humanistic;