Who is credited for using his wealth to build up the steel industry?
a. thomas edison
b. john rockefeller
c. cornelius vanderbilt
d. andrew carnegie
answer

D. Andrew Carnegie

Explanation:

Andrew Carnegie allowed the expansion of the steel industry in the United States in the 19th century. He made his fortune controlling iron and steel operations by adopting cheap and efficient mass production. He  was a philanthropist and considered himself a distributor of wealth, but not its owner, so he did many donations to universities, charities and foundations.

popular sovereignty   influenced the declaration of independence because the colonists wanted to have freedom to do they wanted so they put into writing

the hollywood film industry of 1950 was threatened on several different fronts. television broadcasting was rapidly becoming the dominant entertainment medium in the united states. the paramount anti-trust consent decree requiring separate ownership for production companies and theater chains had gone into effect on 1 january 1950. large numbers of young men and women were marrying, having children, and moving to the suburbs, which affected the viability of downtown first-run movie theaters. foreign revenues were endangered by protectionist tactics including quota systems, high taxes, and blocked funds. finally, the morality and patriotism of hollywood films and filmmakers were under attack from government, religious, and citizens' groups.

explanation: