AT&T held a monopoly in the US and Canada, throughout most of the 20th century. AT&T was the owner of the Bell System, a network of telecommunications companies which included Western Union Telegraph. For many years the slogan of the company was "One Policy, One System, Universal Service."
However antitrust regulators were not happy with AT&T and in 1974, the United States Justice Department opened a case against the company, arguing they were violating the antitrust law. This case was settled in 1982, and the company was order to break up. Hence AT&T was divided into seven Regional Bell Operating Companies.
The tactic that Filipino insurgents use to undermine American power is: <span>C. guerilla warfare
Guerilla warfare is a warfare strategy where the troops are hiding within the terrains (usually they're familiar with the terrain) and obtain advantages toward the enemy using the element of surprise</span>
It would be the "judicial branch" of government that has the responsibility of settling disputes over meanings in the constitution, since oftentimes the Constitution can be very "vague" in nature.
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Government benefits provided to the needy, usually in the form of cash or vouchers.