<em>The </em><em>Union </em><em>had a larger navy, blocking all efforts from the </em><em>Confederacy</em><em> to trade with </em><em>Europe</em><em>. ...Lee's offensive </em><em>war</em><em> strategy had a high cost in casualties, destroying a large part of the Confederate</em><em> army</em><em>.
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It resulted to soil erosion,landslides and desertification.Mangoes tree planting helped to protect the soil and the trees grew maturity and farmer would earn income from selling mangoes.
