During the 1950s, historians including John Fairbank and Joseph Needham popularized the idea that after Zheng's voyages, China turned away from the seas and underwent a period of technological stagnation.
…………………………………………………………………………………………………………. यो मुलुक सिंगापुर जस्तो बनिसकेको छैन मात्र राजनीतिक परिवर्तन...