The natural __________ of Southeast Asia have influenced where people _________. The rich soils of the mainland's _______ and the volcanic islands attracted large _________ populations. Today, large populations live in roughly the ________ areas that attracted settlement in ___________times.

The natural geography of Southeast Asia have influenced where people settle. The rich soils of the mainland's deltas and the volcanic islands attracted large agricultural populations. Today, large populations live in roughly the same areas that attracted settlement in ancient times.