The concept has since been adopted by groups worldwide and made national news.

During the 1970s, further mergers took place and the concept of a state system was widely adopted.

This concept was subsequently adopted by other experts in that field.

The concept was later adopted in many other countries.

The concept has now been adopted in many parts of the world.

The concept then might have been adopted by the emerging Islamic law.

This concept has been adopted by the Air Forces of several foreign countries.

Its concept was internationally adopted by many publications in the following decades.

To address this problem, a new concept was adopted by smugglers.

In a number of Member States, one particular concept has been adopted.