For the first one it would be <span>labor Unions </span>
Hey there Gmcorchado
What human activity has had an effect on skin pigmentation?
Answer: Migration
Which Vitamin is crucial for not only skin pigmentation, but also overall health?
Answer: Vitamin C
Hope this helps :D
<em>~Natasha♥</em>
Answer:
The workers who survived had began to demand better conditions and higher wages.
