“Vote harder” don’t even start to work because US have a two party system with two right wing parties. Why there is no sign of a left party gaining traction? DSA is the biggest left organization but is miniscule (and not very left).
There is a way of radicalising, say… one tenth of the population?
When you pay global south proletarians, working with productive facilities and equipment from the 21st century, 18th century wages. Superprofits, IE the massive value captured in global value chains from global south proletarians currently making most consumer products, is the main source of surplus value for capitalists in the modern day.