Respuesta :
The concept which the flow chart explains is:
- A. The draft
According to the given question, we are asked to state the concept which the flow chart explains fro the complete text and how it was a requirement for American men during the particular time period.
As a result of this, we can see that from the complete text, there is the use of flow charts to show how young American men were drafted into the Army during the war time as soon as they turned eighteen years of age to support the war effort.
Therefore, the correct answer is option A
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