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Chairman Maos red guards</span>
The answer is the one that starts with: to exchange ideas and services.
Bro did what aqdcggdgghhf
Trans-Saharan trade routes promoted the growth of powerful trading cities in the time period because they traded valuable items like slaves, gold, and salt, which increased the net worth of the cities and allowed for economic growth that way. Because of the trading, the Trans-Saharan cities could grow
