Disease is easler to spread In soclety.
a hunter-gatherer
an agrarian
a nomad
a rural

the answer is a. hope this

for hobos it was a very hard time most hid on the sides of the railroad tracks causing people to get bulls and get them off sometimes causing in fatal death they couldnt get people to give them money because the   people were also in need of money

try c, it's always the answer. pats suck.