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What enabled the drastic increase in us troop development to vietnam between 1964 and 1965?

Ireally have to get this done today and i'd appreciate any i could get, !

How did the boll weevil mostly affect georgia's economy? a) it forced georgia to have a manufacturing economy. b) it caused rice to be georgia's only money-making crop. c) it caused a major upset to georgia's cash-crop economy. eliminate d) it gave more economic opportunity to the pest controllers.