Is that supposed to be a question?
The EU has 28 member nations, the Euro is the common currency of the E.U, however, the Euro-Zone is different. Not all EU members speak the same language, but EU citizens traveling between EU nations do not need to present their passports at the border and they can live, work, or study in any member nation.
The answer is A because their idea is survival of the fittest, the strong will survive while the weak will not progress.
