It's about the "the Gilded Age (including Westward Expansion) 1877-1898

answer; /// i believe that the correct answer is (d)the huang he river valley;

a countries leader should be motivated by the common good of the country.

congress also has implied powers, which derive from the necessary and proper clause of the constitution and permit congress "to make all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this constitution in the government of the united states.

your answer is c i hope that