The concept of spheres of influence is regaining attention in international relations, particularly due to the war in Ukraine and Donald Trump's return to the presidency. Historically defined at the Berlin Conference, spheres of influence refer to areas where a power exerts control. Experts warn that the competition among major powers like the US, Russia, and China for influence could escalate geopolitical tensions, although many countries are striving to maintain diverse relationships rather than falling under exclusive spheres. Teljes cikk (Euronews.com)