Was the most important contribution of the shang dynasty.

a) the great wall
b) writing
c) silk
d) gunpowder

The answer is B. The Shang Dynasty existed in 1750-c.1050 BCE in today's modern-day China. Writing during the dynasty became profoundly adopted (since its discovery) and has been the origin of Chinese distinctive writings today. At the time, the writings were etched on cattle bones (also referred to as oracle bones because they were used for divination), turtle shells. rice papers, and silk.  

the american rail road was the most influential and useful transportation system developed in the 1800's with steam locomotives and in the very late 1800's and early 1900's diesel electric locomotives being used to transport goods and people around the newly expanded united states!

id say bottom left to top top left to bottom right and middle to middle

explanation: