O The history of all hitherto existing society is the history of class struggles.
Answer: its c
Explanation: im 99.9% sure
DNA makes up who we are. Basically DNA carry's the traits that are being past on down from in which the newborn came from, or any organism for that matter. And those DNA cells come together to put those distinctive traits into you. Such as your personality, eye color, things of that sort,
"<span>a. overcrowding and growing drought" would be the best option from the list, since Indonesia is mostly a series of small islands which makes territorial expansion impossible. </span>