When president nixon took office he announced that an era of confrontation in foreign policy would be replaced by

"And now to the leaders of the Communist world, we say: After an era of confrontation, the time has come for an era of negotiation. Where the world's super powers are concerned, there is no acceptable alternative to peaceful negotiation. Because this will be a period of negotiation, we shall restore the strength of America so that we shall always negotiate from strength and never from weakness."

c. troops marched forward in close formation against newer, more accurate weapons