Answer:
Germany, Austria-Hungary and Italy formed the Triple Alliance.
France, Britain, and Russia were known as the Triple Entente.
Explanation:
The First World War was persisted between two dominant alliances of countries; the Allied and the Central Powers. The Central Powers were also known as the Triple Entente because initially, the formed the alliance. However, the Allied Powers were formed as a defense against the invasion of Germany and the Entente.