Half of the spanish had died, and then european diseases killed off many of the aztecs.
Industrial workers faced unsafe and unsanitary conditions. Long work days, and low wages.They often attempts to form unions to bargain for better conditions, but their strikes were sometimes violently suppressed. the movement led efforts to stop child labor, give health benefits and provide aid to workers who were injured or retired.
The t on the bill if that's right
I believe it is C but I have not learned about this in a while.
I hope this helps and it is not wrong.