Why did the nazis use modern technology to exterminate jews and others they did not like?

"the royal proclamation of 1763"

i do not know if this question has options, but a main impact of the federal reserve act of 1913, which created the federal reserve bank, was the international use of the u.s. dollar, which soon became the world's leading currency - particularly during world war i, since many nations around the world asked the united states for money.

im not sure on this one