Answer:
Economic competition among industrial nations. Political and military competition, including the creation of a strong naval force. A belief in the racial and cultural superiority of people of Anglo-Saxon descent.
Explanation:
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The answers are in the PDF sorry about the first two I couldn't do them and if you can't open it ask me I can send it another way.
Explanation:
Cahokia was the largest and most influential urban settlement of the Mississippian culture, which developed advanced societies across much of what is now the Central and the Southeastern United States, beginning more than 1,000 years before European contact.