The major advantage that the steam boat had over other vessels was that it could travel for a longer distance at the shortest possible time. It did not have to wait for the wind direction and speed. The steam boats could also travel against the current very easily. The steamboats resulted in the increase in trade.
Cuba. Here is evidence: "U.S. victory in the war produced a peace treaty that compelled the Spanish to relinquish claims on Cuba, and to cede sovereignty over Guam, Puerto Rico, and the Philippines to the United States. The United States also annexed the independent state of Hawaii during the conflict."
Source: https://history.state.gov/milestones/1866-1898/spanish-american-war
I believe it is D; A draft for a new constitution presented by the Virginia delegation. Hope this helps!
<span>Nixon and National Security Advisor Henry Kissinger agreed that withdrawal was not feasible because the political costs, both domestic and international, were unacceptable. Withdrawal would dissolve Nixon's political base at home and undermine American credibility abroad.
</span>
Hope this helps :)
