In 1893, the cleveland administration's repeal of the sherman silver purchase act a. caused the value of currency to contract. b. brought immediate relief to people suffering under the 1893 depression. c. empowered conservative democrats. d. had no long-term possibility of reviving the depressed economy.

i also think he is correct. i believe they came to washington to protest their rights.

explanation:

the addition to geographic boundaries that might have  kept the people of the huang river civilization from traveling to far distance region is that they had learned about the other river valley civilizations but feared contact would bring invasion.

hope this .

plz give me brainliest!