The Master Chief's backstory is never explained in the games. A prequel of Halo: Combat Evolved, the 2001 novel The Fall of Reach, reveals much of the character's history and was released as a companion to the game.
Definition. A group of companies is an economic entity formed of a set of companies which are either companies controlled by the same company, or the controlling company itself.Controlling a company means having the power to appoint the majority of its directors.e define: - the restricted contour, or core, of the group as all the companies more than 50% owned, directly or indirectly, by a parent company heading the group; the parent company is not more than 50% owned either directly or indirectly by another company. In this definition, groups form pairwise disjoint sets;
This forms a group of companies that usually involves a single parent company and different subsidiaries. However, in a conglomerate, diversification of the business in the companies is normal practice, and usually these companies depict a multi-industry corporate structure.These corporate structures are often multinational.dvantages: 1  Due to diversification, conglomerates can reduce their investment risk. 2  These structures can create a capital market within the group to allow growth of the conglomerate.