Due to Franz's butterfly effect, although the Russians suffered heavy losses in the Near East War, they obtained the much-coveted Constantinople, and in the face of victory, domestic crises were suppressed.
After two years of recovery, the Tsarist Government began to grow restless again. However, with the reconstruction of the Vienna System, there was no more room for expansion on the European Continent, and the Tsarist Government had to turn its attention to Asia.
In October 1856, with Russian instigation, the Persian Dynasty occupied Herat. The provoked British immediately declared war on Persia, sparking the Anglo-Persian War.
Herat, bordering the Persian Gulf to the west, the Caspian Sea and the Aksaray River to the north, and the Indus River to the east, held a strategic position due to its unique geographical location, and became an important part of the Anglo-Russian rivalry for dominance over the Asian Continent.