Why did big business emerged during the industrial revolution
a. competition between businesses became unnecessary
b. labor unions demanded and won higher wages
c. new technologies required investment of more capital
d. government passed laws regulating monopolies

New technologies required the investment of more money. Option C is correct.

The term 'Big Business' arised in the late 1800's commercial as a derogatory term for large corporations and unfair business practices.

The Big business dominated the economy in the late 1800's. Furthermore, the economy was also led by corporations that operated in the oil and petrol business, the steel industry, the railroads, textiles and food production that operated vast complexes of factories, warehouses, offices, and distribution facilities.

thurgood marshall

explanation: in 1954, thurgood marshall and a team of naacp attorneys won brown v. board of education of topeka, kansas. in this landmark decision, the supreme court held that segregation in public education violated the equal protection clause of the fourteenth amendment.