Which statement best describes trade networks in Arabia during the Middle Ages? 1 They were operated by nomadic tribes

2 they expanded over several continents

3 they were mainly local, in small markets

4They were established by the government

The trade networks in Arabia, did expand over many continents making it a very renowned trade network.

Explanation:

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b)

it created free trade throughout the colonial territories.

most people now work in jobs where they do one  kind  of work; they are carpenters, bankers, cooks, mechanics, and so forth. likewise, most  businesses produce  only certainkinds  of  goods  or  services, such as cars, tacos, or gardening  services. this feature of  production  is known as specialization.