B I’m pretty sure
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It was that "Flat land with poor drainage led to salinization from irrigation waters," that was a factor in the decline of Sumer, since this led to a build up of salt in the soil, which greatly reduced agricultural output.
It seems to be "Rising Above the Gathering Storm: Energizing and Employing America for a Brighter Economic Future"
<span>Assuming that this is referring to the same list of options that was posted before with this question, <span>the correct response would be the "French and Indian War", since the end of this war forced France to give up much of their land, in what is now Canada, to Britain.</span></span>
Answer:
a. with a small group or a single person
Explanation: