What is the "no pass, no play" rule and why is it controversial?

Arguably one of the most important inventions of the 20th century was a) the transistor. b) air conditioning. c) the vacuum cleaner. d) radio broadcasting.

What is the connection among sectionalism,slavery,and states’right as causes of the civil war? how did the southern response to the 1860 election results demonstrate this connection

Because there was very little investment in education, african colonieshad few leaders with government experience.had far too few teachers for their universities.had many skilled workers with little education.had many overqualified workers in menial jobs.