The Internationalism group was founded in New York in 1970, partly by former members of the News and Letters group of Raya Dunayevskaya. In 1972, Internationalism sent a proposal for international correspondence to twenty groups:
"(...) Together with the heightened activity of the working class there has been a dramatic growth in the number of revolutionary groups having an internationalist communist perspective. Unfortunately, contact and correspondence between these groups has largely been haphazard and episodic. Internationalism makes the following proposal with a view towards regularising and expanding contact and correspondence between groups having an internationalist communist perspective (...)"