They feared being invaded and threatened by NATO because of NATO's exercise of nuclear capability.
Poll taxes, literacy tests and threatened violence were all measures that existed in Southern states in order to undermine the content of A) the 15th Amendment. This was due to the South having a hard time coming to terms with the fact that they were obligated to give African-Americans equal voting rights. The above were both harsha and offensive tactics used against former slaves, so that they were unable to vote.
<span>The time period before the American Civil War is called the "antebellum" period, since in this case "ante" means "before" and "bellum" means "war". </span>
No, because a PBS documemtary could not have witnessed something and retold it. It most likely is a secondary source, if they interviewed people who have witnessed the thing they are talking about.
The answer is <em>D)Arguments and ineffectiveness in the government.</em>