Which steps did carnegie take to try to improve society, check all the answers that are correct

a. he gave money to collages and schools

b. he pasted law preventing child labor

c. he closed down business that polluted

d. he built libraries across the country

answer; ///sole superpower is the ! (false)

united states(1)

russia(2)

china(3)

india(4)

the united kingdom(5)

france(6)

germany(7)

turkey( are all super power ! i hope i answered your luck

not sure might be he acquired the entire oregon territory from great britain