How have mergers and acquisitions in the last 3-5 years have contributed to Caterpillar Inc.'s performance and affected its organizational goals?

What are the most critical mergers or acquisitions that has contributed to Caterpillar's performance and success in achieving organizational goals. Defend your choice?

With supporting evidence, determine the effectiveness of Caterpillar's operational plan for global strategies (international, multi-domestic, global-standardization, or transnational).