1. Archick, K., Belkin, P., Akhtar, S., Mix, D., Transatlantic Relations: U.S. Interests and Key Issues, Congressional Research Service, Washington DC, April 2020, https:// crsreports.congress.gov/product/pdf/ R/R45745, (accessed 1 June 2022).
2. Archick, K., U.S.-European Relations in the117th Congress, Congressional Research Service, Washington DC: CRS, January 2022, https://crsreports.congress.gov/product/pdf/IF/IF11094, (accessed 15 April 2022).
3. Akhtar, S., Fefer, R., Johnson, R., Swarzenberg, A., U.S.-EU Trade Relations, Congressional Research Service, Washington DC, June 2022, https://crsreports.congress.gov/product/ pdf/R/R47095, (accessed 10 July 2022).
4. Balogh, P., Therevival of Central Europe among Hungarian political elites: its meaning and geopolitical implications, Hungarian Geographical Bulletin, vol. 66, no. 3, 2017, pp. 191-202, DOI:10.15201/hungeobull.66.3.1.
5. Belkin, P., Previewing NATO's Madrid Summit, Congressional Research Service, Washington DC, June 2022, https://crsreports.congress.gov/product/pdf/IN/IN11957, (accessed 10 July 2022).