Answer:
1 The 1919 Race Riots in Chicago
2 The Afro-american population
3 The increasing colored population in Chicago is one of the main causes.
4 To make the public aware of white impunity.
Explanation:
1 The historical background of the Race Riots is made clear in this document.
2 When using <em>hysterical </em>while referring to white neighborhoods, the intended audience is Afro-American.
3 The fast growing Afro-American popuIation in the small Black Belt in Chicago is described with details, therefore, it should be considered as an important factor and probable cause.
4 The mentioning of no less than twenty white bombings and only two people arrested (10%) without being convicted, clearly shows the purpose of depicting a white impunity.
I think that the answer is The west's natural resources gave settlers the chance to make money, It might be, Going west gave settlers a chance to improve their own lives also but I don't know......
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