
https://freedomhouse.org/sites/default/files/2020-04/05062020_FH_NIT2020_vfinal.pdf

https://www.brookings.edu/articles/the-global-implications-of-the-us-military-operation-in-venezuela/

http://www.standard.co.uk/news/politics/boris-johnson-backed-by-ukip-in-general-election-a3530371.html