What did the supreme court decide in the case of plessy v. ferguson? african americans could ride in the whites-only railroad cars. states could keep segregated public facilities by providing equal service. discrimination was abolished in the south but not the north. the debt peonage system was illegal.

States could keep segregated public facilities by providing equal service.

changes in factors like average income and preferences can cause an entire demand curve to shift right or left. this causes a higher or lower quantity to be demanded at a given price. demand curves relate the prices and quantities demanded assuming no other factors change. it is important for consumers to know this information, because it is crucial for them to know what they can afford and can't afford. i hope this .