Answer:
1) Dependence on foreign oil.
Step-by-step explanation:
Oil crisis started when the OPEC countries imposed embargo on export of oil to US because of its decision to re-supply the Israeli military. It led to fuel shortage and oil price jumped 350 percent. Jimmy Carter was the president during the crisis and he gave confidence "Crisis of confidence speech " and outlined his plans to improve energy efficiency and reduce oil imports. Although the crises ended in 1974 it effects stretched across the decade and had a deep impact on everyday life.