Prehistoric people of central asia moved to north america during the last ice age. early people of the middle east moved into northern mesopotamia. explain how climate and geography led to these migrations, and what they have in common.

So if we look at how the world is today, like the paragraph says, some things are very similar. Around 1.8 million years ago , there was a massive ice age that occurred . People in Central Asia migrated from that portion, up into Eastern Russia and because the ice was thick,

You could walk on it . From eastern Russia, from there people migrated into what is today , Alaska. The climate because of the ice age, helped both these civilizations . In Mesopotamia, because of the ice age, made the earth cooler, therefore rainfall in which is the Middle East. These two both have migration involved and the Ice Age . Please understand also that the "people" around this time were not Humans like today. These are a different species of humans . Hoped this helped!

i think it should be slowed colonial western march

the answer to your question is:

strong-mayor system