The mature Marx for violence and child slavery

 

A general prohibition of child labor is incompatible with the existence of large-scale industry and hence an empty, pious wish. Its realization -- if it were possible -- would be reactionary

https://www.marxists.org/archive/marx/works/1875/gotha/append.htm

Interview with Karl Marx, Chicago Tribune, January 5 1879: "Well, then, to carry out the principles of socialism do its believers advocate assassination and bloodshed?" "No great movement," Karl answered, "has ever been inaugurated Without Bloodshed."

Rotten fascist asshole died in 1883.   GOOD RIDDANCE!