急求Essay的第二部分怎么写?

i think vertical integration means the agglomeration of an industry chain,including,let's say,hotel (accommondation),restaurant (food and bererages),casino (recreation) and so one.
whereas horizontal inegration suggests the merging between firms at the same stage of production/service.For instance,the merging between two hotels?so you can look for recent cases on this on internet now?