complete sentences: 1. Historical Thinking Skill 3.A: What is the author trying to argue in each source? 2. Historical Thinking Skill 3.B: What specific examples do the authors use to support their argument? 3. Historical Thinking Skill 3.C: What are the similarities AND differences between the arguments or main ideas in each source? 4. Historical Thinking Skill 3.D: Explain how the outside evidence SUPPORTS the claims in each source. 5. Historical Thinking Skill 3.D: Explain how the outside evidence CONTRADICTS the claims in each source. Colonialism in North America