help, public relations

a. What is global public relations? What are some of the reasons for its growth in recent decades? b. How does public relations contribute to the global operations of large companies? c. The successful practice of international public relations requires knowledge of a nation's history and political sensitivities. It also requires knowledge of proper manners and cultural sensitivity. What advice is given for business executives who travel abroad? d. What is China doing to enhance it international and promote itself as a leading nation in the global economy