What war caused Arab oil-producing states to impose an embargo on oil shipments to the us?

The Arab oil-producing states imposed an embargo on oil shipments to the U.S. during the 1973 Yom Kippur War, also known as the October War. This conflict involved a surprise attack by Egypt and Syria against Israel on the Jewish holy day of Yom Kippur. In response to U.S. support for Israel, the Arab members of the Organization of Petroleum Exporting Countries (OPEC) initiated the embargo, leading to a significant energy crisis and skyrocketing oil prices in the U.S. and other Western nations.