England and France
The goal of the Kellogg-Briand Pact was to renounce the use of war for the settlement of disputed between nations.
There really was no major tension between the two; France was just an ally of a country at war with Germany
Saar was the new state that was created between France and Germany in World War 1.
In 1940 Germany defeated France. In 1944 - 1945 the Allies defeated Germany and the Free French under General Charles de Gaulle joined in this.
The whole territory of Texas.
It is currently part of France. Historically, it is disputed territory that changed hands between Germany and France scores of times.
it is a disputed territory between india, pakistan and china
Between the Rio Grande and Nueces rivers.
The Shatt al-Arab and its Iranian counterpart known as Khuzestan were the main pieces of land disputed between Iran and Iraq.
Otto Van Bismarck
Nakhichevan, in Azeri enclave surrounded by Armenia, was disputed.
During World War I, yet for many years before and even well after, a significant piece of territory disputed between France and Germany was the Alsace-Lorraine region. Located on the far western border of Germany (or, on the far eastern border of France) just to the north of Switzerland, Alsace-Lorraine exchanged owners numerous times in preceding centuries as a result of claims to ownership by these two countries.
The Franco Prussian war was fought in 1871 and was won in only a few weeks, gaining Otto Von Bismarck's Germany the territory of Alsace Lorraine, leading to tensions between the two nations that were ongoing until the outbreak of World War 1.
The Falkland Islands are a British territory. However, Argentina believes that they are the rightful owners of these islands. A small war even broke out between the two countries but the territory is still disputed to this day.
When Bismarck referred to the "great questions of the day," he was likely talking about the significant political, social, and economic issues facing Germany and Europe during his time, such as national unification, power struggles between nations, and modernization efforts. Bismarck saw these issues as crucial to address and navigate in order to maintain stability and advance the interests of Germany.
The War between Bismarck and the Danes was called the Second Schleswig War.