"friendly nations" is correct and usable in written English.
It is a phrase used to refer to countries that are allies and have good relations with each other. For example, "The United States and Canada have long been considered friendly nations."
"The illegal interception of communications data belonging to citizens, companies and members of the Brazilian government are a grave matter, an assault on national sovereignty and individual rights, and are incompatible with relations between friendly nations," the statement said.
Bilateral problems between friendly nations should be solved by mutual agreement," Mr. Odier said.
These are friendly nations with which Brazil has long enjoyed cordial if drowsy relations.
Kabila was saved by five friendly nations, of which the most effective were Angola and Zimbabwe.
These are programs from friendly nations, not from places spouting anti-American propaganda.
The artists are introduced from the ring as citizens of allied or friendly nations.
On August 31st friendly nations were due to meet in Stockholm to discuss issuing recovery funds to Lebanon.
Our supporters have helped us earn a reputation of being one of the most fan-friendly nations in soccer, and we are committed to maintaining that standard.
More whale-friendly nations must be recruited to the IWC, they say, to counteract poor countries only too happy to do down whales in exchange for Japanese aid money.
Sanctions have mounted, and once-friendly nations have criticized President Bashar al-Assad, urging him to reform and declaring that they have lost patience with his government's attacks on its own people.
Scientist says researchers in immigrant-friendly nations can't use his software.
