What are two issues that led to rising sectional differences

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select all that apply.

walter cronkite's special interview from vietnam had which of these effects? oijohkn

expla? ;

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crop rotation kepy different plants in the soil instead of once constintly. when switching out plants you have different nutrients being absorbed at different speeds and different roots growing differently therfore the spoil and water flow have to adapt and carry fresh nutrients to carry the constant changes that were going on in the soil.