Thomas edison made a significant impact on the way americans alter their physical environment as they expand cities and use resources by -
a. developing a more efficient way to make steel.
b. inventing the telegraph and telephone.
c. to make electricity more widely available.
d. preaching the “gospel of wealth.”

the answer is C helping to make electricity more widely available

The correct answer to the question: Thomas Edison made a significant impact on the way Americans alter their physical environment as they expand cities and use resources by:, would be, C: Helping to make electricity more widely available.

Explanation:

Thomas Alva Edison is one of the most renown scientists and inventors in America, and probably the world, as he was the one who discovered the most  efficient way to generate elecricity and make it usable and affordable to people. Before his invention, which came into light in 1878, other scientists had started devising means of using electrical power and generating electricity for use like oil and gas, in lanterns and bulbs. But the others had no been able to create a means of achieving this that could be mass produced, or be affordable for people. Edison did by using certain materials that were more durable, and cost-effective. Later on, in 1880 he started the Edison Illuminating Company, and patented for the means to ahieve public electric distribution. In this way, Edison made electrical power available for the masses an thus changed the entire world.

answer; ///the (iroquois) cultures was made up of several groups, who spoke a common language

idk