What was the US Military Response to Wright's Offer to Sell Them a Flyer?

Here's a little trivia quiz on this eve of the 100th anniversary of
powered flight:


1. What was the military response to the Wright brothers'
offer to sell them one of their Flyers?

2. Which military personnel responded to the Wrights' offer?

3. What was the Wright brothers' response to the military's
decision?

4. On what date did the Wrights first make this offer?
4a. At what price was it offered?

5. On what date was the first airplane purchased by the US
military?
5A. What price did the military pay for their first airplane?

6. On what date did the first fatal airplane mishap occur?

7. What was the cause of that mishap?