Spanish explorer and conquistador Vasco Núñez de Balboa was the first European explorer to see the eastern shores of the Pacific Ocean. In 1511, he was made captain general and interim governor of Darién, the first Spanish settlement in Panama, by king Ferdinand II. The Spanish got news about a fabulously rich Indian kingdom with much gold to the south (probably the Inca empire), a story that encouraged Spanish greed. In 1513, without waiting for reinforcements, Núñez de Balboa headed 190 Spanish soldiers and numerous Indian porters and set to explore southwards, crossing dense jungles, swamps and mountains. There he saw the shores of the Pacific. As a reward for his discovery of the Mar del Sur (Southern Sea, the Pacific), the king appointed him Adelantado (envoy).
Since the US was almost complete, and only a few indian tribes lived in plantations made by the US goverment. The goverment wanted to make America whole so that is why they decided to wage war in the 19th century.
