Which of the following recent events depleted U.S. resources and harmed the attractiveness of the American economic model?
a. the enactment of NAFTA
b. the rise of China as an economic powerhouse
c. the success of the euro
d. the wars in Iraq and Afghanistan
Question 2
Industrial enterprises grew to unprecedented sizes in the late nineteenth and early twentieth centuries, partly because __________.
a. markets were being closed all over the world
b. new technologies required huge levels of investment and manpower
c. the American economy became isolated and primarily domestic
d. the government required new enterprises to have at least a hundred employees
Summary of events in the killing of virus-infected cells by cytotoxic T cells.
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