What is a common benefit of writing and the wheel

Both made trade easier, is the right answer.

Explanation:

Wheel in the carts made it possible for people to reach to the far-flung areas of the world. With the help of wheels, people could easily ship their commodities to other communities. At the same time, the invention of writing made it easier for them to keep records of the transactions. Accordingly, the common benefit of writing and the wheel is that both made trade easier.

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