The idea that it is the duty of the wealthy to society was promoted by
a- andrew carnegie
b-charles darwin
c- herbert spencer
d- william graham sumner

Correct answer choice is :

A) Andrew Carnegie

Explanation:

Andrew Carnegie was a Scottish-American industrialist, business financier, and contributor. Carnegie began the development of the American steel industry in the late 19th century and is usually known as one of the wealthiest people. Carnegie served in a Pittsburgh cotton industry as a boy before rising to the position of district supervisor of the Pennsylvania Railroad in 1859.

the end of the gilded age coincided with the panic of 1893, a deep depression, which lasted until 1897 and marked a major political realignment in the election of 1896. this productive but divisive era was followed by the progressive era.

answer; /// i do believe that the correct answer is (a); a farming tribe that settled primarily along the mississippi and arkansas rivers;