Why did life expectancy rise steadily between 1850 and 1900?

Germ Theory

Explanation:

Germ Theory was in its early stages and with its discovery brought on a cascade of medical discoveries, all of which helped save the lives of the afflicted.

well first we can compare on what the slave masters ate and what the slaves ate well the masters ate fancy great food like chicken rice mash potatose and stuff like that and slaves ate well food that your not suppost to eat like the weird parts of turkey and chicken and slaves master chilled beat and eat and slaves work get beat and get little of sleep there you go

6 pounds is equivalent to 92 ounces.

hope this !