How are countries in the European Union linked?

Check all that apply.

They have a shared economy.

They have established a common religion.

They have a single shared language.

They allow easy migration.

1. - yes, this is true, especially in the Eurozone (but not completely, as the countries also keep some sovereignty

2 - no, absolutely no. Most European countries are secular (only few, such as Malta have official religion) and while all the Eu countries now are Christian, there are many denominations, and one candidate, Bosnia is a Muslim country

3 - not true, all the languages of member states are official

4 - this is very true!