The more allies Rome had the more territory it could have under its control. Also the other places bring new cultures into Rome so that it could grow in that aspect as well.
South Vietnam's President Diem (which is who I'm assuming you're talking about) was overthrown in a military coup. Following the overthrow of his government by South Vietnamese military forces, President Ngo Dinh Diem and his brother are captured and killed by a group of soldiers. The death of Diemcaused celebration among many people in South Vietnam, but also lead to political chaos in the nation.
Answer:
church leaders fought with the emperors over who ruled the empire.
