Nboth 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 is a part of john locke's natural rights popular during the age of enlightenment that people had inalienable rights to life, liberty and property. this was reflected by thomas jefferson in his declaration of independence as rights to life,liberty and the pursuit of happiness.

another line in the declaration of independence is that people have certain rights just because they are human. humans are capable of obeying the three natural rights john locke mentioned making them governable by these laws and therefore entitled to these rights as well.

fir trees are found in areas with cooler climates. fir trees have needles for leaves and remain green year-round.