https://www.washingtonpost.com/history/2019/07/27/you-know-who-was-into-karl-marx-no-not-aoc-abraham-lincoln/?utm_term=.5c6bee56a8f7
anuary 1865, Marx wrote to Lincoln on behalf of the International Workingmen’s Association, a group for socialists, communists, anarchists and trade unions, to “congratulate the American people upon your reelection.”
He said “an oligarchy of 300,000 slaveholders” had defiled the republic and that “the workingmen of Europe feel sure that, as the American War of Independence initiated a new era of ascendancy for the middle class, so the American Antislavery War will do for the working class.”
A few weeks later, a reply came via Charles Francis Adams — son of former president John Quincy Adams, grandson of former president John Adams and U.S. ambassador to Britain under Lincoln.
He told Marx that Lincoln had received his message, and it was “accepted by him with a sincere and anxious desire that he may be able to prove himself not unworthy of the confidence which has been recently extended to him by his fellow citizens and by so many of the friends of humanity and progress throughout the world.”
Notably, Adams indicated Lincoln considered Marx and company “friends.”
