Which may have been a reason for the decline of civilization in the indus valley? a. disease destroyed much of the population. b. major sandstorms destroyed the crops. c. craftsmen and laborers could no longer make a living.

Explain urbanization and industrialization enabled the dramatic change in american culture?

Which purposes of the constitution are found in the preamble? select the six correct answers. to provide for the common defense to form a more perfect union to promote the general welfare to secure the blessings of liberty to declare independence from britain to establish justice to ensure domestic tranquility

Which of the following acts or treaties tried to american indians?