Caterpillar Mergers & Acquisitions

Required 

Caterpillar Inc. has embarked on large scale mergers and acquisitions in the past five years. Perform a thorough analysis of caterpillar merger and acquisition strategy. How has mergers and acquisitions contributed to Caterpillar’s performance. has there been any significant improvement in performance?  (7-8 pages, APA style, 5-6 sources)