The correct answer is (b). The euro is the single currency of the European Union. It is the second most traded currency in the world, after the United States dollar. The euro was introduced in 1999 and became physical currency in 2002. It is used by 19 of the 27 member states of the European Union: Austria, Belgium, Cyprus, Estonia, Finland, France, Germany, Greece, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Portugal, Slovakia, Slovenia, and Spain.
The euro is divided into 100 cents. The coins and banknotes of the euro are issued by the European Central Bank and the national central banks of the member states. The euro is managed by the European Central Bank, which is based in Frankfurt, Germany.
The euro is a strong and stable currency. It is used by businesses and consumers all over the world. The euro is a symbol of European unity and cooperation.
The other options are incorrect. The peso is the currency of Argentina, Chile, Colombia, Cuba, the Dominican Republic, Mexico, and the Philippines. The pound is the currency of the United Kingdom. Sterling is a term used to refer to the pound sterling.