1. Gallup. Russia | Gallup Historical Trends. Trend: Americans' Opinions of Russia. Do you think the United States and Russia are heading back toward a Cold War, or not? − www.gallup.com/poll/1642/russia.aspx.

2. Рассчитано по: Gallup. Russia | Gallup Historical Trends. Trend: Next, I’d like your overall opinion of some foreign countries. What is your overall opinion of Russia? Is it very favorable, mostly favorable, mostly unfavorable, or very unfavorable? − www.gallup.com/poll/1642/russia.aspx.

3. Рассчитано по: Gallup. Russia | Gallup Historical Trends. Trend: Please say whether you consider Russia an ally of the United States, friendly, but not an ally, unfriendly, or an enemy of the United States. − www.gallup.com/poll/1642/russia.aspx.

4. Gallup. Russia | Gallup Historical Trends. Trend: Next, I am going to read you a list of possible threats to the vital interests of the United States in the next 10 years. For each one, please tell me if you see this as a critical threat, an important but not critical threat, or not an important threat at all. The military power of Russia. − www.gallup.com/poll/1642/russia.aspx.

5. Gallup. Russia | Gallup Historical Trends. Do you favor or oppose the U.S. sending military weapons and equipment to Ukraine government to use in fighting pro-Russian rebels in the eastern part of Ukraine? − www.gallup.com/poll/1642/russia.aspx.