A - A culture that carries goods overseas by trireme
Triremes are ancient Greek or Roman war galley that has three banks of oars, and in classical culture, this is widely depicted. Not only that, but Ancient Greece is a classical culture.
B is incorrect as urbanization occurs later in time and is not depicted b classical cultures.
C is incorrect as classical cultures happened after/during the Neolithic revolution and had to have had knowledge of agricultural techniques to build a culture.
D is incorrect as military engagements are not the most important thing during their time and not all classical cultures had this.
"<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>
