1- What was the purpose of the telegram?

1- What was the purpose of the telegram?

2- How did it affect United States Cold War policy?  

The link source: https://nsarchive2.gwu.edu//coldwar/documents/episode-1/kennan.htm

Citation of the attached pdf file:

Richard H. Ullman. “The Fiftieth Anniversary of the Long Telegram: A Conversation with George Kennan.” The Princeton University Library Chronicle, vol. 66, no. 2, 2005, pp. 329–370. JSTOR, www.jstor.org/stable/10.25290/prinunivlibrchro.66.2.0329. Accessed 14 Feb. 2021.

Thank you!