Statistics Explained offers a searchable guide to European statistics, presenting statistical topics in an  understandable way (2018).

Interactive encyclopedia (USA 2017)

Erklärvideo (5 Minuten, USA: C.P.Grey 2012-20)

Offizielle Eurostat-Website, die statistische Themen auf eine leicht verständliche Weise präsentiert (2018).

The two main systems of democratic government, Presidential vs. Parliamentary, explained. (6 minutes / 2021)

The maps in this 5 minutes video help to understand the characteristics of the WTO (2018).

The 5 minutes video explains the Constitutional Convention's 3/5ths Compromise (USA 2018).

The video (18 minutes) explains the origins of ʺJim Crowʺ (USA: Hip Hughes 2020)

Alan History Nerd explains how the different electoral systems used in the UK work (UK 2020).

In the U.K. this voting system has mixed results (6 Minuten).