<h3>The answer would be; B!</h3><h3 /><h3>

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Answer:
The question limits what the writer can include about trans-Saharan trade networks to only state formations and limits the networks to only trade networks. It also limits the location of networks to trans-Saharan and limits state formation to West Africa. The writer can choose different trade networks and can pick one or many West African states.
Explanation:
Here is your answer:
Your answer is George Washington:
Reason: George Washington was one of the few presidents that taught in war while in office.
:He was born in the U.S.