Easily confused words

1. You do not want your opponent to find a _______ in your armor.

2. The following is an adjective meaning lying face down:

3. If you wish to change direction on a project, you might change ____.

4. The following quote comes from the Washington Post. Fill in the blank with a word from the below list.

Retailers have said that waiting to implement the law is _________ to killing it.

5. I have to make an important decision that requires extensive thought. I think I'll go home and _____ it over.

6. If an argument has been settled and is no longer worth debating, we might call it a ____ point.

7. Soon after Abraham Lincoln was elected President of the United States in 1860, several Southern states decided to ______, leading to the American Civil War.