In both britain and the united states, what happened in the 1870s that limited child labor

Compulsory education and attendance laws were passed in both countries.

If you view timeline, this is correct for 1870.

it took two men to wrestle rome back from chaos and turn a republic into an empire. in the first century bc, rome was a republic. power lay in the hands of the senate, elected by roman citizens. but the senators were fighting for power between themselves.

the awenser wuold be slaves