However, the United States sought in 1970 to foment a military coup in Chile; after 1970 it adopted a policy both overt and covert, of opposition to Allende; and it remained in intelligence contact with the Chilean military, including officers who were participating in coup plotting.
United States covert efforts to affect the course of Chilean politics reached a peak in 1970: the CIA was directed to undertake an effort to promote a military coup in Chile to prevent the accession to power of Salvador Allende.
In his 1971State of the World Message, released February 25, 1971, President Nixon announced: "We are prepared to have the kind of relationship with the Chilean government that it is prepared to have with us." This public articulation of American policy followed internal discussions during the NSSM 97 exercise.