What has changed in international relations since the end of World War II?

After the end of the Great Patriotic War, also known as the Second World War, a series of changes in relations began in the international arena, which was due to the post-war decline in economic, social and social positions. International relations in the period under review have significantly aggravated, the beginning of a certain “cooling” between the USSR and the countries-allies of the United States has been outlined. The events in question entered the historical science as the “cold war”. The study period lasted for several years.