They did this by ruling in the Slaughterhouse cases that the 14th amendment only protected rights from the federal government. This led to the states being able to undermined legal and civil right of African American citizens.
C. Many learned native language
A nation-state must have a shared national identity, physical boarders, and a single government.
Answer:
yep we do live in a democracy
The best and most correct answer among the choices provided by your question is the second choice or letter B "The Kansas-Nebraska Act."
The Kansas-Nebraska Act<span> was passed by the U.S. Congress on May 30, 1854. It allowed people in the territories of </span>Kansas<span> and </span>Nebraska<span> to decide for themselves whether or not to allow slavery within their borders. The </span>Act<span> served to repeal the Missouri Compromise of 1820 which prohibited slavery north of latitude 36°30´.</span>
I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!