Answer : Option A) The Bessemer process increased the use of steel in many industries.
Option C) Electricity meant that larger and more sophisticated manufacturing machines could be developed.
Explanation : The impact of technologies to the gilded age which was from 1870 to 1900
where the first point applicable is;
i) The Bessemer process increased the use of steel in many industries. The Bessemer process which had been discovered in the 1850's actually brought the special cutting-edge solutions to the production of steel which had a fruitful impact on industries.
ii) Electricity meant that larger and more sophisticated manufacturing machines could be developed. The process of mass production using electricity evolved even more and helped development of new technologies.
4. Iran
The 66 Americans were held hostage in Iran for 444 days .
