The economic crisis forced some companies to sell themselves to remain in business. The federal government has played a part in mergers and acquisitions as well, sometimes finding suitable acquirers to purchase companies in trouble. An acquisition may be part of a company's expansion strategy. Private companies conducting transactions are not required to disclose the price, but they may choose to release that information. Bloomberg Gadfly columnists Tara Lachapelle, Brooke Sutherland and Gillian Tan on covering mergers and acquisitions: Build a wide network of trusted relationships. The Justice Department often works with the FTC in reviewing mergers and acquisitions, and quite often it does require changes in a deal before it can be completed. In general, American mergers and acquisitions that would result in a company with more than $225 million in annual revenue from Europe fall under the domain of the European competition commissioner.