Froogle, a leading global search company incorporated in California, is being investigated by the U.S. Department of Justice (DoJ). The DoJ is particularly concerned about Froggle's dominant place in the search market, but also its practice of strong arming its business partners and vendors to use Froogle products such as its popular maps and email applications as the default options on third-party devices. It also wants to make it harder for Froogle to buy up its competitors. Which U.S. antritrust laws could the DoJ use in its investigation? Which might be most effective in your opinion, and why