1) A relatively new domestic issue that has emerged in the United States since the 1980s is

Answer choices are:

A) Hyperinflation.

B) Racially-inspired riots.

C) Mass demonstrations to protest the war.

D) Terrorism at home against U. S. citizens and institutions.

Correct answer choice is:

D) Terrorism at home against U. S. citizens and institutions.

Domestic terrorism means violence against the civilians and the innocent public of the nation or the infrastructure including buildings, bridges, dams etc., of a nation. Sometimes it is the people of the nation and infrequently with the intent to terrify, threaten, or influence national policies. Terrorist act of terrorism is usually connected to "lone wolf" terrorism.

Hyperinflation is the answer, im pretty sure.