Restoration of law and order and ending the Vietnam War.
Explanation:
These two ideas made up a majority of his campaign platform. Nixon ran on a premise of law and order in order to attract white Southerners to vote for him. This concept of law and order was a promise to crack down on protests and other nonviolent forms of protest that were considered breaking the law. Along with this, he promised to end the Vietnam War. This war was wildly unpopular at this time, especially since president Lyndon B Johnson escalated American involvement.
These two promises would help him to become president in 1968.