Answer:
Explanation:
In Dred Scott v. Sandford (argued 1856 -- decided 1857), the Supreme Court ruled that Americans of African descent, whether free or slave, were not American citizens and could not sue in federal court. The Court also ruled that Congress lacked power to ban slavery in the U.S. territories.
Answer:
B.) the land bridge but spreading south along the Pacific coast instead of moving inland.
Explanation:
According to this theory, humans first arrived in the Americas by crossing the kueril islands, and all the other islands across the Pacific coast of what is now Alaska, Canada, and the Pacific Northwest in the U.S, all the way to Central and South America.
This theory suggests that humans inhabited the inland regions of the Americas starting from the Pacific, which contradicts the main theory (the most accepted) that establishes that humans arrived by crossing the Bering Strait.
I’m pretty sure the answer is D. They have very large gas masses
