Political alliances influence global stability by fostering cooperation among nations, which can deter conflict and promote peace. Such alliances, through collective security agreements or economic partnerships, enhance diplomatic relations and facilitate trade. However, they can also create geopolitical tensions if perceived as exclusive or aggressive, eventually leading to rival factions. Furthermore, these alliances have a role in addressing global issues such as climate change and terrorism, where coordinated efforts are vital. Understanding these dynamics is critical for analyzing contemporary international relations.