In Rome, Diệm obtained an audience with Pope Pius XII at the Vatican before undertaking further lobbying across Europe. He also met with French and Vietnamese officials in Paris and sent a message indicating that he was willing to be the Prime Minister of the State of Vietnam to Bảo Đại. But Bảo Đại then refused to meet him. Diệm returned to the United States to continue building support among Americans. Nonetheless, to Americans, the fact that Diệm was an anti-communist was not enough to distinguish him from Bảo Đại and other State of Vietnam leaders. Some American officials worried that his devout Catholicism could hinder his ability to mobilize support in a predominantly non-Catholic country. Diệm recognized that concern and broadened his lobbying efforts to include a development focus in addition to anti-communism and religious factors. Diệm was motivated by the knowledge that the US was enthusiastic in applying their technology and knowledge to modernize postcolonial countries. With the help of Fishel, then at Michigan State University (MSU), Diệm was appointed as a consultant to MSU's Government Research Bureau. MSU was administering government-sponsored assistance programs for cold war allies, and Diệm helped Fishel to lay the foundation for a program later implemented in South Vietnam, the Michigan State University Vietnam Advisory Group.