How did both the assyrians and persians use technology to build and control their empires?

The Mesopotamians made many technological discoveries. They were the first to use the potter's wheel to make better pottery, they used irrigation to get water to their crops, they used bronze metal (and later iron metal) to make strong tools and weapons, and used looms to weave cloth from wool.

the correct answer on edgen is:

(c.) prevent the spread of communism.

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