Karen owns stock in an industry that includes a few large businesses that dominate the
market. What type of market structure best describes her business?
O A. An oligopoly
B. A conglomerate
C. An entrepreneurship
D. A subsidiary

during the 20th century, the role of the vice president has evolved into more of an executive branch position. now, the vice president is usually seen as an integral part of a president's administration and presides over the senate only on ceremonial occasions or when a tie-breaking vote may be needed.

i really need the answer