Greenfield Ventures,like All Market Entry Strategies Can Pose Serious Problems

Greenfield ventures,like all market entry strategies can pose serious problems to achieving foreign market entry success.What is not deemed a barrier to success?

A) Such ventures can require costly capital investments and are the slowest entry route for building the business.
B) Such ventures can have a tendency to divert valuable resources from current business.
C) Such ventures really need well-functioning strong markets as well as well established institutions to ensure protection of foreign investor rights.
D) Such ventures require managerial talent experienced in getting new subsidiaries up and running.
E) Such ventures can be costlier than making an acquisition.