Answer: A
Explanation:Frick began by cutting the workers’ wages, which the workers protested by starting the Homestead Strike. In late June Frick locked them out and fenced off the plant.
Mark Twain called the late 19th century the "Gilded Age." By this, he meant that the period was glittering on the surface but corrupt underneath.
It would be "d. appointment power" that allows him or her to appoint ambassadors, cabinet members, and all military officers, since this is one of the ways in which the president exerts his power over the nation.