Historically,a Firm with a Competitive Edge Could Count on Being

Historically,a firm with a competitive edge could count on being the sole supplier to international markets for years to come.However,this advantage has shrunk dramatically because _____.

A) of competing technologies and imitation due to insufficient protection of intellectual property rights
B) it is becoming increasingly difficult to gain knowledge about foreign customers, marketplaces, or market situations
C) globalization and the Internet do not allow the existence of a "first firm"
D) most countries do not allow established big firms to enter their market