Yuengling Is the Oldest Brewery in the United States

Yuengling is the oldest brewery in the United States.It was founded in 1827 in a time when small breweries dotted the nation.For many years,the brewery only sold in a ten-state area on the Eastern Seaboard.For over 170 years,this strategy gave the brewery a:

A) brand name strategy
B) niche competitive advantage
C) price differentiation advantage
D) marketing competitive advantage
E) sustainable competitive advantage