When customs barriers fall, there will be a blast of new competition from places like Poland.

ECONOMIST: Romania and the European Union

The agreement is designed to boost trade between the two blocs by removing various tariffs and customs barriers.

BBC: MEPs back Latin American trade agreement

There shall be no interior customs barriers between any of the above-mentioned areas.

BBC: Map detailing the Sykes-Picot agreement

Fully 57% say France should single-handedly erect higher customs barriers.

ECONOMIST: Charlemagne

Traveling abroad has its obvious difficulties: language barriers, unfamiliar customs and strange foods.

FORBES: Avoiding Credit Card Ripoffs While Abroad