Difference between Mexican and American workers working on the northern border of Mexico?

What bodies of water provided the eastern border of the zhou dynasty? ?

What does the quote describe? “the closeness of the place, and the heat of the climate, added to the number in the ship, which was so crowded that each had scarcely room to turn himself, almost suffocated us….the shrieks of the women, and the groans of the dying, rendered the whole a scene of horror almost inconceivable.”

“i now wished for the last friend,death, to relieve me.” what is equiano referring to?