https://padlet.com/charles_mcpherson/u1s40oy166ho en-us 2017-03-07 04:17:02 UTC 2017-05-17 05:53:41 UTC hello@padlet.com charles_mcpherson https://padlet.com/charles_mcpherson/u1s40oy166ho/wish/158232074 Invented the telephone ]]> 2017-03-07 04:18:52 UTC https://padlet.com/charles_mcpherson/u1s40oy166ho/wish/158232074 charles_mcpherson https://padlet.com/charles_mcpherson/u1s40oy166ho/wish/158232343 Invented the cotton gin ]]> 2017-03-07 04:22:58 UTC https://padlet.com/charles_mcpherson/u1s40oy166ho/wish/158232343 charles_mcpherson https://padlet.com/charles_mcpherson/u1s40oy166ho/wish/158232719 Invented the steam engine ]]> 2017-03-07 04:29:08 UTC https://padlet.com/charles_mcpherson/u1s40oy166ho/wish/158232719 charles_mcpherson https://padlet.com/charles_mcpherson/u1s40oy166ho/wish/158232818 Labor unions were a group of people working in factories ]]> 2017-03-07 04:30:42 UTC https://padlet.com/charles_mcpherson/u1s40oy166ho/wish/158232818 charles_mcpherson https://padlet.com/charles_mcpherson/u1s40oy166ho/wish/158233514 The growth of a population ]]> 2017-03-07 04:42:29 UTC https://padlet.com/charles_mcpherson/u1s40oy166ho/wish/158233514