The Missouri Compromise, Compromise of 1850, and Kansas-Nebraska Act have in common is they were treaties with European nation that increases Westward expansion Option(b) is correct.
What Kansas-Nebraska Act?
The KANSAS-NEBRASKA ACT OF 1854 may have been the absolute most critical occasion prompting the Civil War. By the mid 1850s pioneers and business people needed to move into the area currently known as Nebraska.
Nonetheless, until the area was a coordinated as an area, pioneers wouldn't move there since they couldn't lawfully hold a case on the land. The southern states' delegates in Congress were in no rush to allow a Nebraska domain in light of the fact that the land lay north of the 36°30' equal — where bondage had been prohibited by the Missouri Compromise of 1820.
Therefore Option(b) is correct.
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