a lever is a rigid plank or bar that pivots on a fulcrum at the lever in the picture where would you push lever to lift the rock

You would push the lever between points 2 and 3 to lift the rock.

unbeknownst to the slave-ship captains, the daily dancing and exercise regime and vernacular dance are also derived from america's african-based slave legacy. both are african-american cuisines from the slavery era.

explanation:

in the 1950s, country music came into its own before rock-n-roll took off in the 60s while jazz and classical music continued to innovate