<em><u>T</u></em><em><u>he poorest and least developed area in the West Africa region is called the Benin.</u></em><em><u /></em>
<em><u>A)Benin</u></em>
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B. leave mainstream society
I think
There were several major factors that led to stalemate in the trenches, but the best options from the list are "Defensive weapons were better than offensive ones.
<span>and Trenches were designed for defense."</span>
