Is when a business buys enterprises at each phase of production

Vertical integration, is the right answer.

Explanation:

When a company controls more than one platform of the supply chain, it is known as "Vertical integration".  It is basically the process through which businesses used to turn a raw product into a final product and supply it to the consumers. This strategy can help businesses reduce costs and increase efficiencies by minimizing transportation charges and reducing the turnaround time, among other assets.

interest groups send representatives to state capitals and to washington, d.c. to put pressure on members of congress and other policymakers. they engage in lobbying, or the organized process of influencing legislation or policy. lobbying can take many forms. interest groups can testify in congressional hearings.