Which statements describe the European Union (EU)? select all that apply .Thirty nations belong to the EU.
.Passports must be presented by citizens when traveling between EU nations.
.Tariffs between member nations were ended in 1968.
.The common currency of the EU is the Euro.
.To belong to the EU, member nations must give up some of their sovereignty.
.Citizens of EU nations can live, work, or study in any member nation.

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Explanation:

I would say the answer is B, passports

answer: alexander the great

explanation:

four sitting presidents have been assassinated while in office but the first was abraham lincoln,