What could you learn from a circle graph if the percentages were not included?

According to documents in wiesner et al., why has access to water been such an important factor in the rise of complex societies? how did ancient societies address the problems associated with harnessing these powerful resources? how have historians assessed and addressed this issue? cite the appropriate documents relevant to the response.

What were the social, economic, and political characteristics of spanish and portuguese rule in latin america?

Which type of work did slaves in the us south not engage in? gang work skilled work task work union work