Dual Alliances were not invented in World War I. Any time two countries were allied in a military alliance, it was a dual alliance. It was just the name of an alliance in the WWI period.
Many European countries entered into alliances before the Great War, for example Germany and Austria-Hungary in the Dual alliance in 1879. The Dual Alliance was a defensive alliance between Germany and Austria-Hungary, which pledged to aid one another in case of an attack by Russia.
In 189o, after Bismarck had been dismissed as chancellor of Germany, refused to renew her treaty of friendship with Russia. This gave France an opportunity. France extended military and industrial loans to Russia and gained Russia's confidence. In 1894 the two nations entered into the Dual Alliance.
Austria-Hungary and Germany they wanted to protect themselves from Russia.
Dual citizen of those two countries
The dual alliance of 1892 between France and Russia arose from fear of Germany.
If you have dual citizenship, it means you are a citizen of two countries. Your nationality would be the combination of the two countries you hold citizenship in.
Dual citizenship is when one has citizenship rights in two countries.
Yes, dual citizens can possess two passports from the countries they are citizens of.
Yes, it is possible to be a citizen of two countries through dual citizenship.
An alliance or agreement between two countries :)
for their mutual advantage, an alliance has been arranged between our two countries