(Animal power, including human power (Slavery) ‘worked’ universally – until stea

Written by

(Animal power, including human power (Slavery) ‘worked’ universally – until steam, coal, and petroleum power made them inefficient and expensive.)

Source date (UTC): 2023-02-23 15:15:08 UTC

Original post: https://twitter.com/i/web/status/1628775470673145856

Reply addressees: @Jake385719 @TheAutistocrat @whatifalthist

Replying to: https://twitter.com/i/web/status/1628773664056573954

Comments