(a) The problems brought about by the impossibility of taking full advantage of the potential to export products such as coffee, honey, tobacco, live lobsters and aquaculture products to the nearest market (the United States).
(a) 无法充分利用其向最接近的市场（美国）出口的潜力（即咖啡、蜂蜜、烟草、活龙虾和水产品）所造成的问题。