Most likely they knew because they got pretty ill and maybe tried to find their way of curing their people.
Counting enslaved persons as 3/5th of a person
The Mississippi River System, also known as Western Rivers, was important to trade and transportation in the west. It played a very important role in the lives of those people who inhabited the surrounding area. It was for transportation and also for trade.<span> </span>
Borders canada and mexico and the pacific and the atlantic