I think there were 44. See list below
Allied Forces
Ethiopia · China · Czechoslovakia · Poland · United Kingdom · India · France ·Australia · New Zealand · South Africa ·Canada · Norway · Belgium · Netherlands ·Greece · Yugoslavia · Soviet Union · United States · Philippines · Mexico · Brazil
Axis Forces
Bulgaria · Croatia · Finland · Germany · Hungary · Iraq · Italy · Italian Social Republic · Japan · Manchukuo · Romania ·Slovakia · Thailand · Vichy France
Underground
Resistance
Networks
Austria · Baltic States · Belgium · Czech lands · Denmark · Estonia · Ethiopia ·France · Germany · Greece · Italy ·Jewish ·Korea · Latvia · Luxembourg ·Netherlands · Norway · Philippines · Poland · Thailand · Soviet Union · Slovakia ·Western Ukraine · Vietnam · Yugoslavia
the united states entered the war late on both world war 1 and world war 2 they involved most of the same countries they both affected the world greatly they both involved many countries the allied powers won both
Basically every country who was involved in the war. Also many neutral countries were involved in rescue attempts.
japan
World War I was a genuinely global war. It involved countries that were not even indirectly involved in the drama regarding the assassination of Franz Ferdinand. Since many alliances had been made, countries all over the world were obligated to declare war on one another.
== == Of the 7 continents, only Antarctica was NOT involved in fighting in WW2. I'm sure what you meant to say was................What countries, on what continents, were involved in World War Two?
123 countries involved in the war
because many countries and continents were involved in the conflict.
69
9
World War one was the first great war. It was the biggest war the world had seen and involved many countries.
None. World War 2 ended in 1945.
World War 2 involved many important people. By the very nature of this war many countries and their leaders, both of governments and armies, were involved.
the united states entered the war late on both world war 1 and world war 2 they involved most of the same countries they both affected the world greatly they both involved many countries the allied powers won both
there were many countries that were involved in WW1, like: france, germany, russia, prussia, america, england etc.
yes
The Allies and the Entente.
about 52 countries.