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.

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.

the second world war (wwii) was one of the major trans formative events of the 20th century, with 39 million deaths in europe alone. large amounts of physical capital were destroyed as well through six years of constant ground battles and bombing. many individuals were forced to abandon or give up their property without compensation and to move on to new lands. periods of hunger become more common even in relatively prosperous western europe. families were separated for long periods of time especially from their fathers. many including young children would personally witness the horrors of war as battles and bombing took place in the very areas where they lived. horrendous crimes against humanity were committed. due to wwii, political and economic systems in many countries would be permanently altered.