How did Portuguese and Spanish colonial expansion support each other?(1 point) Responses Silver from Spanish America financed imports from Asia by the Portuguese. Silver from Spanish America financed imports from Asia by the Portuguese. The two countries had an alliance that supported military expeditions. The two countries had an alliance that supported military expeditions. Spanish soldiers helped the Portuguese conquer territory in Africa and Asia. Spanish soldiers helped the Portuguese conquer territory in Africa and Asia. The Portuguese used Spanish bases along the coast of Africa for their trade.