What was the reason for the shang dynasties reason for their ride to pose?

According to legend, the Shang Dynasty was founded sometime around 1600 BCE by a virtuous man named Cheng Tang, who overthrew the evil king of the legendary Xia. The Shang Dynasty was a monarchy governed by a series of kings, 29 or 30 in total, over the course of almost 600 years.

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!

not too sure on this one thinking tyo organize the division of africa