This action followed the decision of East Germany’s leaders to finally open the country’s borders

"a government in which power is divided between state and national levels". federalism is a system of government in which entities such and state and province, share power with the national government.

b.

one company controls all the means of production of a product.

~coco

an interest group is an organization whose members share common concerns, and try to influence government policies that impact those concerns. elected officials frequently complain about the influence of "special interests" on american politics.