Answer:
The railroad was the mean of transport to new settlers going to the Great Plains in the west who sent crops and grain to cities in the East.
Explanation:
The railroads impacted the migration to the west and helped expanded the country while exchanging crops and grain to the more populated cities stablished in the east.
Answer:
Ferguson ruled that separate-but-equal facilities were constitutional. The Plessy v. Ferguson decision upheld the principle of racial segregation over the next half-century. The ruling provided legal justification for segregation on trains and buses, and in public facilities such as hotels, theaters, and schools.
Explanation:
Na/K concentration in and out of the cell at the homeostatic level. It does this by pumping sodium and potassium ions in and out when it's needed of it in order to maintain the concentration of both ions stable across time.
He was a secretary of war for Roosevelt, professor of law at Yale, was part of the judicial branch, and got stuck in a bathtub :)
Caused a dramitic decline of indians