I would go with C.
Hope that this helps you..
Island Hopping
Island hopping or leap frogging was the military strategy used by the Allies in the Pacific War against Japan and by the Axis powers in WWII
The now U.S. was controled by the English.
The Congress of Vienna was convened in 1815 by the four European powers which had defeated Napoleon. The first goal was to establish a new balance of power in Europe which would prevent imperialism within Europe, such as the Napoleonic empire, and maintain the peace between the great powers
Ummm...I think that's the oath that states the obligations and proper conduct of doctors, formerly taken by those beginning medical practice. Parts of the oath are still used in most medical schools.