The Mars acquisition of the Wrigley assets was part of its related constrained diversification and added market share to the

Mars Wrigley Integrated Firm

Explanation:

This acquisition provided the extended reach to the company, as with this merger  of both the companies, there are certain assured benefits:

1) Increase in sales value by selling at a price higher than the prevailing price in the market, or

2) Decreasing the cost of product manufacturing as prevailing in the industry for that product.

This joint would automatically gain the major share in the market as with increase in profits and  diversification in providing goods, expands the company in all respects.