Which shows the major problems that people of the Middle Ages suffered with due to poor infrastructure in the cities? Choose 1.
A
how easily diseases & fire spread
B
difficulty with trade & the easy spread of disease
C
difficulty with job specialization & poor sanitation
D
how easily fire and invaders could spread
Because people and buildings were all crammed together, it was easy for diseases to spread in close quarters and for fires to start a chain reaction since things were very close together.
