Which steps did carnegie take to try to improve society choose all that a correct.
a. he gave money to collages and schools.
b. he passed laws preventing child labor.
c. he closed down his business that polluted.
d. he built libraries across the country.?

Option A and D

Explanation:

He gave money to colleges and schools and He built colleges across the country, are the correct options.

Andre Carnegie was an American millionaire and philanthropist. During the last days of his life, he was more inclined toward books and peace, He gave 125 million dollars to Carnegie corporation to aid colleges and other schools, he also gave money to towns to open 2000 libraries. He retired at the age of   at the age of 66 and founded the Carnegie institution to funded scientific research.

the answer is )multiethnic