Which statement best describes why the indus river valley civilization declined?
a. some theories are that the soil grew salty, disease killed many people, and the land became deforested.
b. archaeological evidence shows that the population declined from constant warfare.
c. the accepted theory is that a huge flood wiped out almost the entire population.
d. written records from the time indicate that earthquakes destroyed the indus river valley cities.

Choose one civil war topic from the list below. research your topic using the library and the internet. then, write a report of at least four hundred words. topics: a major civil war battle civil war munitions and uniforms the emancipation proclamation the gettysburg address note! when writing a research paper, it is important to cite your source or sources. for example, anytime you use a direct quote from the source in your writing, you should follow it with the author's last name, the year of the publication, and the page number where the specific quotation is located in parentheses. for example: the author states, "lincoln was an american hero." (jones, 1999, p. 298). you will also need to include a works cited section at the end of your paper, providing the information about the source you used. generally, when you are writing for a social science course (like this course), you will use a citation format designed by the american psychological association (apa). use this brief apa style guide to you format your citations.