What lead to the ending of child labor practices?

It wasn't economically or morally right.

Explanation:

Throughout the second half of the 19th century, child labour began to decline in industrialised societies due to regulation and economic factors because of the Growth of trade unions. The regulation of child labour began from the earliest days of the Industrial Revolution.

the real gdp increased by 4.1%

explanation:

might not be right, i think i'm correct, but i might be thinking of last quarter

answer; (d) i believe that the correct answer is americans finally ran out of ammunition;