What is the government's role in controlling extermalities in the american economy?

This passage would suggest that sudan might have a a) democracy. b) dictatorship. c) command economy. d) communist government.

Marcy tests a solution with a strip of blue litmus paper. the paper turns red. the solution is acidic basic neutral

Which of these best describes the function of a "super pac"? a)create bi-partisan legislation that can become law b)organization meant to reign-in spending of political candidates during election cycles c)promote the interests of supreme court justices without breaking specific tampering laws d)raise funds through donations from corporations or individuals to support or oppose specific political candidates