The use of electricity in most of American industry brought economic hardship to the timber industry
oil industry
hydropower industry
coal industry

yes based on alexanders actions he deserved the title of "the great". his empire covered about 3,000 miles and he was able to establish the empire over a 13 year period of time. he was able to conquer many different places. he also defeated the persians. he conquered egypt and developed a city and named it after himself.

i believe the answer is d.