Since air pollution creates a negative externality, A. social welfare will be enhanced when some, but not all air pollution is eliminated. B. governments should encourage private firms to consider only private costs. C. social welfare is optimal when all air pollution is eliminated. D. the free market result maximizes social welfare.

What consequences could gen galvez have faced for his major act of bravery?

Which of the following selections is least useful for supporting the claim that states intentionally built unequal school systems? question 1 options: the supreme court ruling in plessy v. ferguson (1896) wrote into law that america had two separate societies: one black and one white. it was very clear by the mid-1900s that southern states had expertly built separate educational systems. these schools, however, were never equal. states with laws keeping schools segregated never gave equal amounts of money to their black and white schools. ten years after brown, fewer than 10 percent of southern public schools had integrated. some areas did not comply at all.

Many of these mythological stories were filled with violence. why do you think this is?