Territories can be many different things. You are correct in saying that they can be fought over by multiple countries. They are also undiscovered or unclaimed lands. In common ages, they are also countries that are not admitted into a particular continent.
England and France
In the first year of World War II, a variety of countries bordering the seas to the west and north of Germany were quickly conquered by Hitler and his armies. These countries, all conquered in 1940, were as follows: Denmark, Norway, the Netherlands (home-territories), Belgium (home-territories), and France.
There were many countries present on D-Day. The Allies were Britain, USA, Canada, Australia, New Zealand, Poland, Belgium, Holland, France, and Greece. All of these countries had troops, sailors or aircrew there on D-Day.
Over 170,000 Allied troops fought in D-Day.Over 170,000 Allied troops fought in D-Day.
Not all all. Britain fought against the Nazis, Sweden aided but not militarily, Portugal was independent, Switzerland collaborated but never fought. Russia was invaded but never conquered. Spain was fascist but never fought. Italy, France, Hungary, Romania had various levels of control by Nazis.
Prior to the outbreak of war, the nations of Europe fought political wars over territories abroad.
Britain and Mexico
Great BritainFranceNetherlandsGermanyBelgiumPortugal
France an Britain
England and France
salt
Britain & Mexico
Ethiopia. Not sure about any other countries.
the Spanish and the native people
Spain and the US.
There are over 50 countries and territories in Africa. Each has its own currency.
France and England!