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What problem did the Kansas–Nebraska Act pose for the United States? The act intensified the issue over slavery in the United States Congress. The act called for a gradual end to slavery in the South. The act allowed for African Americans to vote in presidential elections. The act resolved the conflicts between the slave and free states.

Respuesta :

Answer:

The act intensified the issue over slavery in the United States Congress.

Explanation:

The Kansas-Nebraska Act of 1854 allowing settlers of a region to decide whether slavery to be approved within a new state's borders, and allowed for popular sovereignty. It also led to a violent rebellion called Bleeding Kansas. It was a rebel between antislavery and proslavery activists who flooded into the territories.