Fountain of Youth Inca gold rich Indian tribes golden houses
Answer:
He expanded the idea in the New York Morning News in December, invoking “the right of our manifest destiny to overspread and to possess the whole of the continent which Providence has given us for the development of the great experiment of liberty and federated self-government entrusted to us.
Explanation:
Spain felt that Portugal would dominate the world's trading routes and resources and it motivated them to compete with them and invest into their own campaigns, such as the one of Columbus.
I dunno the answers to 1 2 and 3, but 4 is Germany, Italy, and Japan, and 5 is poison gad.