Answer:
D: New infrastructure was built, leading to a thriving convention business.
Explanation:
One of the most sound legacies of the World's Fair on New Orleans was the construction of Ernest N. Morial Convention Center in 1985, which reopened later as a convention center. Besides, the construction of postmodern building has been remembered fondly by New Orleans.
Triangular trade increased the demand for both land and slave labor
Yes he was. When Roosevelt met with Churchill in the middle of the Atlantic, he was showing his support for Britain and subsequently freedom in general. He made no formal declaration of hostilities.
I think Japan. Hope this helps.