Their gigs took them out of the country, with tours in the U.S. and other countries.

Liquid metal reactors have been used both in the U.S. and other countries for some time.

This study builds on a growing body of literature in the U.S. and other countries.

In modern times, emerging schools of thought in the U.S. and other countries hold the opposite to be true.

It is the parents' responsibility to send the children to schools in the U.S. and other countries.

During this time, racial segregation was still present in the U.S. and other countries.

Bell's demonstration flights in the U.S. and other countries created significant public enthusiasm.

Close all the borders, not only between the U.S. and other countries but internally.

Investors are likely to simply look to the U.S. or other countries with less political risk.

They have a plan, put before the U.S. and other countries.