Read the following context and choose the best option to answer the question.
Context: Therefore , as we return to the Iranian crisis , it becomes important to consider what the Russians are going to do and the questions that arise therefrom . First , given the response from NATO on Tuesday that it is still prepared to give NATO membership to Georgia in the future , we ask - are the Russians prepared to participate in the Iranian sanctions regime called for by the United States ? Second , and far more important , what is the red line for the Russians ?
Question: What may be the reason for this post ?
Options: 
- To describe my vacation
 - To describe my favorite place
 - To describe a culture
 - To describe history


To describe history