Discussion Topic. With the arrival of the Industrial Revolution, machines became the main source of
power for manufacturing and transportation. These machines were mostly dependent
on fossil fuels-oil and coal. The world's economy shifted from an agrarian-based
economy to an oil-based economy. Today many people believe the world needs to shift
again from an oil-based economy to a clean-energy economy. Just as the move from
an agrarian-based economy to an oil-based economy created a destabilizing effect on
the poor and working class, how might the shift to a clean-energy economy affect
today's poor and working class? How will the shift affect less-developed nations in
Comparison to more-developed nations?

Which fact from the tinker v. des moines court decision best supports the reasoning that the conduct of the student protesters was protected by the fourteenth amendment, which prohibits deprivation of life, liberty, or property? o a. the record shows that students in some of the schools wore buttons relating to national political campaigns, and some even wore the iron cross, traditionally a symbol of nazism. o b. on the other hand, the court has repeatedly emphasized the need for affirming the comprehensive authority of the states and of school officials, consistent with fundamental constitutional safeguards, to prescribe and control conduct in the schools. c. the action of the school authorities appears to have been based on an urgent wish to avoid the controversy which might result from the expression, even by the silent symbol of armbands, of opposition to this nation's part in the conflagration in vietnam. d. that they are educating the young for citizenship is reason for scrupulous protection of constitutional freedoms of the individual. if we are not to strangle the free mind at its source and teach youth to discount important principles of our government as mere platitudes.