A system of alliances refers to a network of agreements and partnerships between countries with the goal of mutual protection, support, or expansion. This often involves formal treaties or informal understandings.
Related terms
Balance of Power: The distribution of military and economic strength among nations in order to prevent any single country from becoming too dominant.
Triple Entente: An alliance formed in 1907 between Britain, France, and Russia as a response to the growing power of Germany.
NATO (North Atlantic Treaty Organization): A political and military alliance created in 1949 by Western European countries, the United States, and Canada for collective defense against potential aggression.