Please help me out finish out the following 4 questions:

President Obama made his first foray into national politics when he gave the keynote speech at the 2004 Democratic Convention. You are going to watch the speech and analysis its organization using the points listed below. 

1. What organization pattern is used? (How do you know?) (like Chronoigical, Narrative, Topical or Cause and Effect etc....) 

2. List the purpose and thesis statement. (What evidence suggests this?) 

3. What are three main points of the speech?

4. Analyze the organization of the speech. Was it effective in achieving its purpose(s)?