Legally speaking, the geographic concentration of slavery in the southern part of the U.S. is explained by all of the following except:
a. provisions in the Northwest Land Ordinance of 1787.
b. plantations employing high slave labor were present in Southern states.
c. laws allowing for gradual emancipation in some northern states.
d. an amendment to the U.S. Constitution that allowed importation of slaves only through the port of Charleston after 1800.
Question 2
From the late 1930s until the early 1970s, courts tended to follow per se rules when deciding antitrust cases. According to these rules,
a. a firm's control of a large market share was considered intrinsically illegal.
b. the existence of only one or two firms in an industry was not necessarily an antitrust violation.
c. both market share and predatory practices must be considered in determining whether a firm had violated the law.
d. the court should only intervene if the firm charged unfair prices.
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