How did the Silk Road help China overcome its geographic isolation?
It provided better trade routes north of China.
It helped connect China to countries to the west.
It encouraged contact with countries to the south.
It led to increased communication with lands to the east.

The Silk Road help China overcome its geographic isolation-It helped connect China to countries to the west.

Explanation:

The silk route or the road was started by the Han Dynasty.Th main motive of starting the silk route was to sell the good quality of silk that was produced in china to its neighboring countries The silk extended from east to west and also connected India and Africa.Through silk route china used to export its goods like tea ,spices,silk to the western countries .The great wall of china was developed to safeguard the traders against robberies

Hence, The Silk Road help China overcome its geographic isolation-It helped connect China to countries to the west.

i think the answer is   b.