Answer:
Prohibiting slavery in the territories.
Explanation:
According to the ruling it was decided that Congress had exceeded their authority when ratifying the Missouri Compromise, and therefore "had no power to forbid or abolish slavery in the territories west of Missouri and north of latitude 36°30" (Britannica.com).
<span>April on the early May 1945</span>
I looked it up and it seems that the best best answer would be RISE AND FALL OF DYNASTIES.