600-1450+-+Southwest+Asia+-+Theme+1

__Theme #1: Interaction Between Humans and the Environment__
 * Demography and Disease
 * Higher population density created higher probability to get diseased.
 * Migration
 * Migrations to Mecca.
 * Expansion of Islamic and maritime migration.
 * Religiously, Southwest Asian Christianity spread to the east and west.
 * Patterns of Settlement
 * Settled in large Islamic cities
 * Technology
 * Cotton textiles
 * paper
 * banking system
 * boats and ships