Answer: A. True
Explanation:
Until about a 100 years ago, a single large company could completely control some major U.S. industries, like communications, steel, oil and etc.
Passage of the Sherman Antitrust Act in 1890 eventually led to the break up of these major U.S. monopolies e.g AT&T, Standard Oil, American Tobacco, and etc.
Legal decisions therefore supported entrepreneurs participating in the market revolution by striking down monopolies and encouraging competition thereby regulating market prices.
However, a type of limited monopoly still exists worldwide in form of nationalized assets.
Trading helped the Olmec build their urban centers of San Lorenzo and La Venta. These cities, however, were used predominantly for ceremonial purposes and elite activity; most people lived in small villages. Individual homes had a lean-to—sort of like a garage shed—and a storage pit for storing root vegetables nearby.
The 16th U.S. president was firm in believing slavery was morally wrong, but his views on racial equality were sometimes more complicated.
