Why Global Diversification and Global Corporate Governance are Important.

Comprehensive discussion on whether the company should offer a global/international fund by investing in companies around the world. Will this offering benefit the potential investors? What is different about this new offering when comparing to a domestic offer?
Also interested in knowing the relevance of corporate governance when it comes to selecting companies to be included in this new global fund. What practical advice can you give? Is there any theoretical justifications for your advice?
There are two parts in this report (global investment and global corporate governance). Please allow 500 words each part.