Akey consideration in the government's decision in the staples/office depot case was that

The key consideration is Staples charged lower prices in locations that were close to an Office Depot store
The fact that staples charged lower prices indicates that the company has abandoned the initial plan of merger with office depot and the company has to face the scrutiny on antitrust grounds in 2016.

It covered the territory of land across eurasia from northeastern europe to the pacific ocean.