Land claimed by Portugal actually belonged to Spain.
Most native american deaths resulted from disease brought from the old world (Europe)
The main way in which the separation of powers guards against tyranny is by making it impossible for any single branch to become too powerful, since each branch "checks and balances" the others out when it comes to making and enforcing legislation.
<span>The two U.S. admirals whose work contributed greatly to the
defeat of the German U-boat offensive are Ernest J. King and David D. Porter. Admiral
Ernest J. King served as Chief of Naval Operations and Commander in Chief, U.S.
Fleet to improve the effectiveness of American naval operations.</span>