What clues can we find about colonial lives in artwork suck as paintings

There are many clues that can be found about colonial lives in artworks such as paintings. One of the most easy to identify/observe is the clothing that was common in that setting.

can we each -wise?

the great wall of china worked as a defense for the feudal states of the zhou dynasty to the north. during the warring states period more walls were put up to defend the borders of the different kingdoms. it was semi successful because despite the wall, the mongols eventually conquered china also the great wall provided protection to the economic development and cultural progress, safeguarded the trading routes such as the silk road, and secured transmission of information and transportation. @jayxboof