The examples of free trade agreements among the options provided are:
- Most of the European countries use the same form of money, the euro.
- European countries trade with each other freely across their borders without any regulations.
- North American countries encourage trading relationships with each other by not imposing extra taxes that they would charge other countries.
These examples demonstrate aspects of free trade agreements where countries come together to facilitate trade by removing barriers like tariffs, quotas, or taxes between them. The European Union and the North American Free Trade Agreement (NAFTA) are examples of regional agreements that promote trade by reducing restrictions among member countries.