The most advanced nation in World War 2 was probably the united states.
The United States emerged from World War II as the richest, most powerful nation on Earth.
After the first world war the USA became the most powerful one.
Probably artillery; it was responsible for many of the deaths in World War 1.
Russia
No, the nation of Turkey was not a combatant in the Second World War. It was however a combatant nation in the First World War on the side of Germany & Austria-Hungary.
Most of the countries of the British Empire became independent in the years after World War II.
Most were dismantled after the war, when new more advanced designs were created
China was the ones to lose the most men in world war 2
Probably Russia, then France
russia had the most deaths in ww1
soviet union
it has advanced and it has advanced and advaced