Japan began to invade its east asia neighbors during the 19th and 20th centuries in order

secure the natural resources needed for industrialization.

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

hey there! these are the answers.

to generate donations

to organize supporters

to solicit support