The US is the biggest national economy of the world with a GDP of around $14.500 billions a year.However, the biggest economy of the world is the EU (European Union) with a GDP od around $16.200 billions a year.
Since Poland has regained its independence in 1989 there are many changes taking place. These changes are to observe in many fields: economy(transition from command economy into free market), EU member, letting alone social changes.
Spain benefited from joining the EU by obtaining a better economy. The euro and the economic reforms that came with joining did a lot for their economy.
Germany and Italy are the biggest countries in the EU.
to compete with EU and its neigbours
Germany
The Romanian economy is in decline; the cause is the destruction in order of EU.
The economy would most likely grow and the EU would become more powerful.
EU imposed the destruction of the Romanian economy.
How does UK benefit for being in the EU? Participate in the EU economy (same currency) Free trade in the EU. (but there are other trade blocks) Free borders with EU countries inherit some laws from EU ( can be added to UK) make treaties for complete EU at one point, rather than individually country to country.
It depends on what you mean by big. Germany has the biggest population and highest GNP France is biggest by Area Luxemburg has the highest GDP (PPP)
The war, the oil spill and the economy.