The land where he needed to build his canal was owned by Colombia and they would not allow it.
Answer:
It helped the US Navy to easily move its ships from the pacific ocean to the Atlantic ocean. It also helped the US Army have shorter supply lines. For the economy it helped trade moved faster and it got more countries involved in trade. They could also save money on fuel and could make trade faster.
Explanation:
He made several trips to North and South America in 1492<span>, </span>1493,1498 and 1502.In 1492 landed in the <span> Caribbean but mistook it for India, where he had wanted to sail. He also went to many islands in the West Indies. In 1493 and 1498 discovered South America and explored many of the islands and coasts there. He explored much of the Caribbean in his life.</span>