Who was at risk of early death due to the contamination of water and animal-borne diseases?

Early farmers who cultivated crops and domesticated animals.

The embargo act of 1807  was a law passed by the united state congress and signed by president thomas jefferson on december 22,  1807. it prohibited american ships from trading in all foreign ports. in 1806, france passed a law that prohibited trade between neutral parties, like the u.s., and britain.