Answer: I. Many Soviets became fearful of rapid changes in the country.
II. Force was not used to stop protests in Eastern Europe.
III. The crisis in Afghanistan occurred.
IV. The Soviet Union faced huge expenses.
Explanation:
Populism was important because it had a non-class outlook.
1 — President of the United States
2 — Vice-President of the United States
3 — Speaker of the House of Representatives
4 — President of the Senate Pro Tempore (becomes VP when Speaker becomes President)(Cabinet Secretaries in Order of Post's Creation
5 — Secretary of State
6 — Secretary of the Treasury
7 — Secretary of Defense8 — Attorney General
9, — Remaining Cabinet Secretaries