History- American Slavery

A) This assignment will cover the film you were supposed to watch.
Step 1: Please Watch Many Rivers to Cross
Step 2: Answer the following questions.
1. What questions or misconceptions did you have about American Slavery before watching the film and the lecture. It can be about anything! 
2. Did the film and lecture answer you questions? If so, how?  (If it did not, I will try to answer it.) Answer should be 1 paragraph combining both questions.
B)  Could the Cold War have been avoided or at least different? Why or why not? Did Americans have valid reasons for fueling the Red Scare? 
https://www.youtube.com/watch?v=Z59j-WqUXbY&feature=youtu.be / This vedio could be helpful. Answer for this question should be 1 paragraph no less than 300 words.