The phrase "alliance composed of" is correct and usable in written English.
It can be used when describing the members or entities that make up a particular alliance or coalition.
Example: "The alliance composed of various environmental organizations aims to promote sustainable practices across the region."
Alternatives: "alliance made up of" or "alliance consisting of".
As early as the 1940's, Perón's grandiose geopolitical reveries envisioned what he called "the ABC alliance," composed of Argentina, Brazil and Chile.
Mr. Anwar has played a key role in holding together an improbably diverse opposition alliance composed of his own multiethnic party, a conservative Islamic party, Pas, and the left-leaning Democratic Action Party, made up mainly of ethnic Chinese.
For instance, in the 2005 parliamentary elections in Iraq, in which a majority of Shias voted for an alliance composed of Islamic parties, less than 25% of Shias said they favored a theocracy.
He's a purveyor of wacky, purely fabricated gibberish leading to the ultimate conclusion that there's an unholy alliance composed of the Obama government and "fascist" progressives out to destroy us all.
The paper, citing British intelligence memos, alleged that British spies were tapping into the world's network of fiber-optic cables to deliver the "biggest Internet access" of any member of the Five Eyes — the name given to the espionage alliance composed of the United States, Britain, Canada, Australia and New Zealand.
The VEX Robotics Competition game for the 2013-2014 season is called "VEX Toss Up". It is played on a 12-foot-square field where two alliances, composed of two teams each, compete in matches involving driver-controlled play.
This alliance, composed mainly of right and center-right parties, seems to be dominated by trade-union members.
The alliance is composed of casino owners and the State of New Jersey; the money for the campaign will come from the casino owners.
Though on the map Afghanistan divides nicely - in the north there is the opposition alliance, largely composed of Afghanistan's ethnic minorities, across the rest of the country are the Taliban, largely drawn from the Pashtun tribes which predominate - the ground reality is far more complex.
A national alliance - composed of 15 NGOs and 3 governmental institutions has been vital in working to rally Hondurans around commitment and action for children.
Unlike alliances composed entirely of extremists, militant groups can credibly threaten to defect from alliances with groups that have dissimilar goals.
