What did mastabas do to contribute ancient Egypt?

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.

The sixth amendment of the u.s. constitution guarantees the right to which of the following?

Legacy of the new deal is positive or negative