the us recession in the 1970s was caused by\nan oil embargo.\nenergy interdependence.\nlow…

Brief Explanations:

The 1970s US recession was largely triggered by the OPEC - led oil embargo in 1973. It led to a sharp increase in oil prices, raising production costs and causing economic slow - down. Energy interdependence was a long - term situation but not the direct cause. Low unemployment is not a cause of recession. Nixon's resignation was a political event and not related to the economic recession.

Answer:

an oil embargo.