What was Abū Bakr’s contribution to the spread of Islam?

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.

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.

In the early 1800s, north africa was different from southern africa in that