I think that good living conditions, government support, natural resources, banking systems and machinery.
It allows for light to enter the retina, but it isn’t enough to damage the retina.
There's no document provided, I'll answer to the best of my knowledge
The abolitionist John Brown attempted to garner attention and do his part to abolish slavery by murdering three individuals who supported slavery, and later tried to host an armed uprising where he would lead slaves to raid a federal army in Harper's Ferry. The attack was unsuccessful, and he was later executed. His actions were radical, and in my opinion very misguided and would only lead to more violence.
That is my take on it, though I recommend you get your own opinion because that is a very opinionated topic.
A certain percent from how much the company gets payed or if it’s a pyramid then they get some from the company