It was surrounded by water which created a sort of natural moat which gave it a huge defensive advantage
The main cause of death in the civil war was disease.
Clothes were not clean
Food was not sanitary
It was not a fun place
Because they don't have to go into enemy lines, which requires mental training and physical, as well. They just see the invading troops, and attack, rather than planning and attacking.
In the House of Representatives, the election is made proportionally to the number of inhabitants living in each state. In this way, more populous states, like California, elect more representatives than states less populous like Hawaii.
In the Senate, the election is majority and two representatives are elected by each state. In this way, the interests of the states will be represented and defended on equal terms.
In this way, the 108th congress of the United States was represented by 100 senators and 435 deputies, respecting the demographic and proportional characteristics of the USA.