Послевоенная история показала, что

Послевоенная история показала, что следование доктрине «поли­тического реализма» во внешней политике подталкивало государ­ства, стремившиеся в первую очередь к защите своих националь­ных интересов, к военно-политическим авантюрам, которые стали
причиной региональных войн, а иногда превращались в кризисы
мирового масштаба.

Результаты (английский) 1:

Post-war history has shown that adherence to the doctrine of "Poly political realism" in foreign policy led the State, sought primarily to protect their national interests, to the politico-military adventurism, which becamethe cause of regional wars, and sometimes turned into criseson a global scale.

Результаты (английский) 2:

The post-war history has shown that adherence to the doctrine of "political realism" in foreign policy pushed state, sought primarily to protect their national interests, to the military and political adventures, which became
the cause of regional wars, and sometimes turned to crises
world-wide.

Результаты (английский) 3:

the post-war history has shown that adherence to the doctrine of "поли­тического realism foreign policy pushed государ­ства who sought primarily to protect their националь­ных interests, political military авантюрам who becamecause of regional wars, and sometimes become crisesglobal scale.