The correct answer is - protection of the cargo.
The wicker fence on the ships of the Phoenicians had the purpose to protect the cargo. Since the sea waters are not always calm, and very often, out of nowhere, a storm can emerge and contribute to bigger waves, as well as rocking of the ship itself, the Phoenicians invented a simple trick, and that was the wicker fence. With it on place, the cargo was safe on the boat, and it was not able to slip away and be lost in the sea.
I got lost on reading this!!!
Highly demanding physical labor for 13+ hours. They were payed the dirt they stood on, children were forced to miss school most of the time because they had to work to support the family. They were also highly expendable, so no medical care was offered, and they were ignored from any complaints. They were basically ignored, and couldn't do anything about it in fear of deportation of their families.
Also, racism and all that affects how they were treated.
But things like the Mexican Repatriation is something to look into. So i definitely suggest it!