i believe that the answer is 1,2, 4 and 5
https://www.froedtert.com/sites/default/files/webform/occric_contact/_sid_/aDesz77.html
https://www.froedtert.com/sites/default/files/webform/occric_contact/_sid_/zdzdf78.html
https://www.froedtert.com/sites/default/files/webform/occric_contact/_sid_/szrsdt44.html
I know that the answer is D. Because It wouldn't be A because the new inventions DEFINATLY didn't make work more complex and not b because it was not slower AT ALL and not c because it wasn't more consuming.
