Which statement explains why the 1973 OPEC Oil Embargo had a major impact on the
United States? (2 points)
O The United States was still involved in the Vietnam War in 1973.
O The United States did not have any troops stationed in the Middle East in 1973.
O By 1973, the national debt had reached a record high level.
O By 1973, the United States had become dependent on foreign energy sources.