Which problem contributed to Rome's transition from a republic to an empire? Choose all correct answers.

A overcrowding and riots in Rome

B natural disasters

C slave revolts

D a growing divide between the rich and the poor

E epidemics

    which of the following was anecological  result of european exploration from 1400 to 1800?   a.  increased trade with east asia      b.  the spread of epidemic diseases      c.  expansion of english territory      d.  the spread of christianity