The use of child labor in industrial applications is best described as a consequence of A) a class-action lawsuit by a group of minors petitioning for the right to work.
B) a desire in the new South to establish a slavery-like system for industry.
C) the need for less-skilled labor resulting from mass production.
D) the social stigma of a child who did not work as a drain on family resources.

C i think

Explanation:

Children were unskilled workers which meant that companies could hire more and pay less.

c. troops marched forward in close formation against newer, more accurate weapons

basic principles: federalism, separation of powers, checks and balances, judicial review, representative democracy, limited government, rule of law, individual rights and responsibilities, consent of the governed, majority rule, popular sovereignty, equal protection.