1 View the link and then summarize https://www.youtube.com/watch?v=JXsrqr6wjsg(Externalities) 2 Describe the major sources of Federal tax revenues and list the portion (percentage) of total tax revenues each tax brings in to the Federal Government. 3 Define what is meant by each of the following income tax regimes: a progressive income tax b proportional income tax c regressive income tax

4) Is America obligated to help low-income countries? Is foreign aid worsening America's budget deficit? Should America cut down on the amount of aid it gives to such countries?