In 3-5 sentences, analyze the similarities and differences of the long-term effects of the Mongol Empire on China, Russia, and Iran.

The Mongol Empire had similar long-term effects on China, Russia, and Iran in terms of political and administrative systems. In all three regions, the Mongols established a centralized and bureaucratic government, promoting trade and communication. However, the Mongol impact on each region varied in terms of cultural assimilation and economic development. China experienced more assimilation and integration into the Mongol Empire, whereas Russia and Iran maintained more distinct cultural identities. Additionally, while China and Iran saw economic growth, Russia faced economic decline under Mongol rule.