1. NATO military organisation was formed because of feeling of distrust created between, two power groups. So military groups were formed. Led and inspired to
America western democratic countries on north Atlantic Ocean established a military organisation and named it NATO in 1949.
2. The Soviet Union carried out the Berlin blockade because America and Western European countries established ‘Federal Republic of Germany’. This was administered jointly by America, Britain and France. As Germany’s three western segments were united three administrative segments of Berlin also united.