Many Tobacco Companies and Breweries in the U

Many tobacco companies and breweries in the U.S.are focusing their efforts on international markets to sustain growth because:

A) sales in the U.S.are declining
B) consumers outside the U.S.are not as litigious
C) regulatory pressure in the U.S.is having a negative impact on their sales and making it increasingly difficult to market their brands
D) of strong market opportunities available in foreign countries
E) of all of the above reasons