How did Austria and Persia emerge as great powers?

Austria emerged as a great power through strategic territorial expansion, military strength, and a strong centralized monarchy during the Habsburg dynasty, particularly in the 16th and 17th centuries. Its influence was bolstered by its role in European politics, including the Thirty Years' War and the Congress of Vienna. In contrast, Persia, under the Safavid and later Qajar dynasties, became a great power through territorial conquests, the establishment of a centralized state, and the promotion of Shia Islam, which unified its diverse population. Both empires leveraged trade routes and cultural richness to assert their dominance in their respective regions.