Read the passage, and then answer the question. A team of scientists studied the sediment at the bottom of an ancient lake. They were able to determine the weather conditions of the Indus valley in ancient times. They found that the entire area had suffered a drought after the monsoons declined. This drought lasted 200 years. Because of the drought, there wasn’t enough food or water. The people of the Indus valley were forced to leave their cities.

What theory about the cause of the decline of the Indus civilization does the passage support?

A.
climate change
B.
invasion by an outside force
C.
rivers changing course
D.
spread of introduced diseases

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.