Secretary of state kissinger engaged in blank to reach a cease fire between Israel and Arab nations?

Secretary of State Henry Kissinger engaged in "shuttle diplomacy" to broker a ceasefire between Israel and Arab nations during the 1973 Yom Kippur War. This involved traveling between the capitals of involved countries, including Israel, Egypt, and Syria, to negotiate terms and facilitate communication. His efforts ultimately led to the disengagement agreements that helped stabilize the region temporarily.