Militarism: Militarism is an ideology that emphasizes the importance of building up military strength and using it aggressively. It contributed to the formation of alliance systems because countries wanted strong allies for protection.
Triple Entente: The Triple Entente was an alliance between France, Russia, and Britain before WWI. They joined forces against the Central Powers during the war.
Triple Alliance: The Triple Alliance was another pre-WWI alliance consisting of Germany, Austria-Hungary, and Italy. They provided mutual support against any potential threats.