The given choices are:
A) European Union B ) World Trade Organization C) North American Free Trade Agreements D ) Association of Southeast Asian Nations
The correct option is: 
 A)European Union 
 The European Union binds together a group of nations which (mostly) share a currency as well as operating as a 'trading block' to negotiate trade deals jointly, increasing their trade viability globally. 
 Explanation: 
 The European Union is a state and economic union of 28 member states that are circumscribed principally in Europe. Sharing conservation is an umbrella term with a range of meanings, often used to describe economic activity involving online purchases. Originally getting out of the open-source community to refer to the peer-to-peer based distribution of access to goods and services.