Why did slaves die?

Slaves die because they were hungry, thirsty, tired all the time, and toremented...

Many died from suffocation, but disease was responsible for about 70% of deaths. Outbreaks of dysentery, a disease caused by contaminated drinking water, were the main killers. Scurvy, a disease caused by a lack of vitamin C, also took many lives. Infectious Diseases like smallpox and measles were also common.