Why did the Hittites and others migrate from central Asia to Mesopotamia?
They needed more land for growing populations.
They were enlarging their empire.
The Persian army drove them out.
Climate change brought a mini ice age to Asia.
http://www.fsmitha.com/h1/ch03-hyk.htm
The migration of the Hittites and other ancient civilizations from Central Asia to Mesopotamia can be attributed to various factors. These reasons include:
1. Expansion of territories: One reason for their migration was the desire to enlarge their empire. These civilizations sought to conquer and control new lands, resources, and trade routes. By migrating to Mesopotamia, they were able to extend their influence and gain access to the fertile lands and abundance of resources in the region.
2. Population pressure: Another factor was the need for more land to support growing populations. As these civilizations flourished in Central Asia, their populations increased, resulting in greater pressure on available resources and the need to expand. Moving to Mesopotamia provided them with fertile agricultural land and the opportunity to sustain their growing populations.
3. Geopolitical factors: In some cases, conflicts with other civilizations or invasion by foreign armies may have prompted their migration. While the Persian army was not the primary reason for migration to Mesopotamia, it is possible that these ancient civilizations faced wars or conflicts with neighboring powers that eventually pushed them to seek new territories.
4. Environmental changes: Climate change and related factors could also have played a role. It is unlikely that a "mini ice age" caused the migration, as no substantial evidence supports this claim. However, changes in climate, such as prolonged droughts or desertification, might have made Central Asia less hospitable and pushed these civilizations toward regions like Mesopotamia, which had more reliable water sources and fertile land.
Overall, a combination of factors, including expansionist ambitions, population pressures, geopolitical circumstances, and environmental changes, likely contributed to the migration of the Hittites and others from Central Asia to Mesopotamia.