What advance made possible the growth of sahelian empires such as ghana, mali, songhai, and kanem-bornu?

Pls. i will give you 40 points colonists felt the increased taxes in the 1760s and 1770s violated which document? the virginia declaration of rights the mayflower compact the english bill of rights common sense

John locke believed there was a social contract between a govemment and its people. what were the details of this contract?

Prior to the 1948 presidential campaign, truman won back the support of labor unions by highlighting his opposition to the taft-hartley act. supporting the passage of the national security act. pushing for equal rights for african american citizens. opposing the strikes of railroad and mine workers.