 Complete the following phrase:  It is unknown why Pa uses so many aliases. Attempts to research Pas history prove inconclusive, which has led some to the belief that he is a princelingthe son of a well connected original Chinese communist revolutionary. Reports also list one of Pas aliases as having a Russian military background that spent time in Angola during the Angolan Civil War. It is believed that during Pas time with the Russian military he first met the future Angolan President Jose Eduardo Dos Santos. This was a relationship that he exploited after the Civil War to secure a monopoly over reconstruction projects, which in turn allowed Pa to develop his business interests in China buying a host of construction businesses such as China Steel 20 Zhongtie 20, Guangxi Construction and Engineering, Guangxi Water and Electric, Sichuan Nanchong, Sichuan Uingshan, Fuikan Ningde, Jinghend INternational and others. It is also alleged by Chinese bloggers that Pa provided weapons and support during the 