Mergers and acquisitions are both aspects of strategic management, corporate finance and management dealing with the buying, selling, dividing and combining of different companies and similar entities that can help an enterprise grow rapidly in its sector or location of origin, or a new field or new location, without creating a subsidiary, other child entity or using a joint venture. M&A can be defined as a type of restructuring in that they result in some entity reorganization with the aim to provide growth or positive value. Consolidation of an industry or sector occurs when widespread M&A activity concentrates the resources of many small companies into a few larger ones, such as occurred with the automotive industry between 1910 and 1940.