https://www.congress.gov/117/bills/hr5525/BILLS-117hr5525ih.pdf
https://www.crisisgroup.org/es/latin-america-caribbean/andes/venezuela/winds-change-venezuela-chavismo-faces-greatest-electoral-test
http://news.sky.com/story/theresa-may-eu-trying-to-influence-general-election-with-threats-10861584