No, they're not...
Japan, Germany, and Italy.
Japan, Northern Italy, and Southern Italy are on Germany's side while France, England, and China are on America's side.
China, Russia, America, England, France, Germany, Italy, and Japan
Probably Germany and Italy, Spain and Romano, England and France, or England and America
No. No one dies in Hetalia. They are countries, and everything that happens to the human form of the country (ex.: Italy) is based on a real historical event.
Himaruya gave Germany the name Ludwig.
Italy and Japan. :) Just watch Axis Powers Hetalia, you'll surely gain knowlege in WW2 :P
Feliciano Vargas is his human name.