Reading materials

Overview of the enlargement process:
https://www.eumonitor.eu/9353000/1/j9vvik7m1c3gyxp/vlnzng3cfbz9?ctx=vh7dowqrwlwg

Interactive overview of EU enlargement and members so far:
https://www.europarl.europa.eu/external/html/euenlargement/default_en.htm

Challenges and reforms ahead for enlargement policy:
https://epthinktank.eu/2023/12/15/enlargement-policy-reforms-and-challenges-ahead/

The European budget at a glance:
https://commission.europa.eu/document/download/d6d2dbfc-b6fc-48e5-b711-75dc61975bc0_en?filename=EU-Budget-at-a-Glance_2019_EN.pdf

Overview of the Multiannual Financial Framework:
https://epthinktank.eu/2018/09/24/post-2020-multiannual-financial-framework/

Detailed information on the EU budget:
https://commission.europa.eu/strategy-and-policy/eu-budget_en

In general, browse through the following websites:
Eur-lex: https://eur-lex.europa.eu
Court of Justice: https://curia.europa.eu/
Library with tons on online content, e.g. old treaties: https://www.eui.eu/en/services/library
European Parliament library for citizens: https://www.europarl.europa.eu/eplibrary/en/about-us/ep-library-for-citizens
Media: Politico, EURACTIV, EUObserver
Think Tanks: EPC, CEPS, Bruegel