The decades prior to the Camp David Accords were rife with conflict in the Arab World as shown below.
The Yom Kippur War/October War
The Yom Kippur War of October 1973, that laid the foundation for the need for peace in the Middle East, was the direct precursor to the Camp David Accords (Next page).
ABOVE: Video summary of the Yom Kippur War.
SOURCE: Israeli Defense Force
U.S. involvement during Operation Nickel Grass demonstrated to Israel its inability to handle the Arab invasion and showed Egypt that U.S. intervention could turn the tide of the war from victory to defeat. This provided a strong basis for both Israel and Egypt to accept a U.S. mediated compromise at Camp David.