The city-state of athens was an important part of greek civilization because it introduced
the concept of "rebirth."
key trade routes.
the rise of a large empire.
the concept of democracy.

Hich of the following best summarizes the text’s depiction of the ancient indus valley cities (namely harappa and mohenjo-daro)? a. the cities were very plain and simple; the people did not focus on art and architecture, devoting their time instead to agriculture and the bare essentials. b. the cities were adorned, or decorated, with almost overwhelming displays of wealth and artistic architecture. c. the cities were extremely clean, relying on an advanced water and sewer system, though this was mainly constructed for the innermost areas of the cities. d. the cities were clean and peaceful, and they were designed in an extremely organized fashion, using an advanced water and sewer system to keep them this way

Drastic boundary changes can occur for all of the following reasons except for a. a shift in the way a river flows b. the collapse of a government system c. a conflict between two neighboring groups d. one country's decision to sell land to another country select the best answer from the choices provide

The earth's internal process which drives seafloor spreading is