https://theconversation.com/eu-enlargement-what-does-the-future-hold-227716
https://www.europarl.europa.eu/at-your-service/files/be-heard/eurobarometer/2019/parlemeter-2019/executive-summary/en-parlemeter-2019-executive-summary.pdf
https://www.socialeurope.eu/2017/06/underestimating-austeritys-impact/
https://www.politico.eu/article/ursula-von-der-leyen-biography-career-inconvenient-truth/