What was the effect of the rudder in the Han Dynasty?

The introduction of the rudder during the Han Dynasty significantly improved maritime navigation and vessel control, allowing ships to maneuver more effectively in various water conditions. This innovation facilitated increased trade and transportation along rivers and seas, enhancing economic connections both domestically and with foreign territories. As a result, it contributed to the expansion of the Silk Road trade routes and supported the broader cultural exchange that characterized the era. Overall, the rudder played a crucial role in enhancing the efficiency of maritime activities in ancient China.