What principle suggests that a court should not overturn a precedent unless it is absolutely necessary?

Which of the following policies would support the imposition of tariffs?

a. Free trade b. Imperialism c. Zero sum game d. Mercantilism e. Comparative advantage

What is the source of most funding to pay the Social Security benefits of current retirees?

a. current workers b. savings accounts established for each citizen c. the Medicare Trust Fund d. the states