Private security has unforeseen impacts on international security. First, they present challenges in the structures of authority, legitimacy, international law, and global governance. Secondly, they erode the power of the state and threaten state authority inside and contemporary structures of governance. Thirdly, they lead to the emergence of “global security assemblages: public and private as well as local and global new security structures. Lastly, the geographical boundaries of the nation-state became less important. Private security practices in different parts of the world produce complex relations and different tensions on private-public and global-local relations Therefore, the correct option is C.