I’m not sure what you’re asking but here’s what i found and i hope it helps you.
The Indian removal act was signed into law on May 28 in 1830. the meant the president could negotiate with southern tribes for removal to federal territory west in exchange for white settlement
i found this online so it might not be correct but i hope it helps you.
The answer you’re looking for is C
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>
because they thought that the desease came from crows