Why was Tennessee not under occupation?:
"Because it ratified the Fourteenth Amendment, Tennessee was the only state that seceded from the Union that did not have a military governor during Reconstruction. This did not placate those unhappy with the Confederate defeat." - Wikipedia history
Which states took the longest to be re-admitted?:
1. South Carolina July 9, 1868
2. Mississippi Feb. 23, 1870
3. Florida June 25, 1868
What impact did riots in Memphis and New Orleans have on Reconstruction?:
"The riots catalyzed support for the Fourteenth Amendment, extending suffrage and full citizenship to freedmen, and the Reconstruction Act, to establish military districts for the national government to oversee areas of the South and work to change their social arrangements." - Wikipedia history
Answer:
For a small minority of workers, the Second Industrial Revolution introduced white-collar jobs and growth in the middle class. Though it took very little skill to operate a machine, it took a lot of skill to design or fabricate a machine, and many foremen and managers were also needed to oversee production.
Reason , independence , natural environments
It would be an "effective secondary source document" that best describes a chart developed 20 years after a historical event, since the information as had time to "settle"--although of course this doesn't automatically mean that the chart is "effective". hope this helps :)
Weather describes the condition of the atmosphere over a short period of time e.g. from day to day or week to week, while climate describes average conditions over a longer period of time. The climate of an area or country is known through the average weather over a long period of time.