What does this document tell you why we might have become involved in the war?

Why the United States Got Involved against the North Vietnamese Government

Then want you to look at 5 documents that were written in that time period and do a written analysis of them. Use these questions to guide your writing:

Who wrote this document?
To whom was it written?
When was it written?
What agency was it written from?
What agency was it written to?
What does this document tell you why we might have become involved in the war?