Answer:
Some of the developments during this hina's Han dynasty include:
B.Establishing the mandate of heaven philosophy of government
D.Joining trade routes between China and Europe through the Silk Road
Step-by-step explanation:
China's Han dynasty of 202 BC was known as the Golden era. Emperor Gaozu started the era which saw lots of advancement made by the Han dynasty in the development of today's China.
Moreover, they made lots of development during this reign which are the invention of the Silk Road, the invention of papers, development of the civil service, seismograph, and scientific advancement.