Question: Salutation was a modern dance solo choreographed by Martha Graham whose style, known as what, reshaped American dance and is still taught worldwide?

Context paragraphs:
Fragilité (ballet): Fragilité was a modern dance solo choreographed by Martha Graham to music by Alexander Scriabin.  The piece was originally part of "Five Poems," a ballet divided into five solo sections: "Fragilité", "Lugubre", "Poeme ailé", "Danse Languide" and "Désir" (first performed in 1926).  Each of the sections appears in various programs as individual solos.  "Five Poems" premiered on October 16, 1927, at the Little Theatre in New York City.

Graham technique: Graham technique is a modern dance movement style and pedagogy created by American dancer and choreographer Martha Graham (1894–1991).  Graham technique has been called the "cornerstone" of American modern dance, and has been taught worldwide.  It is widely regarded as the first codified modern dance technique, and strongly influenced the later techniques of Merce Cunningham, Lester Horton, and Paul Taylor.

Salutation (ballet): Salutation was a modern dance solo choreographed by Martha Graham to music by Lehman Engel.  It premiered on April 7, 1936, at Philharmonic Auditorium in Los Angeles, California.  Subtitled "Dance of Greeting", the work was performed by the choreographer.

Scherza (ballet): Scherza was a modern dance solo choreographed by Martha Graham to music by Robert Schumann.  It premiered on December 10, 1927 at a special performance for the Cornell Dramatic Club.  The program was billed as the Adolph Bolm Dance Recital.  In addition to Graham and Bohm, the performance featured Ruth Page, Vera Mirova, Bernice Holmes and Marcia Preble.  Graham appeared in two solo works, "Scherza" and "Tanagra".

Opening Dance: Opening Dance was a modern dance solo choreographed by Martha Graham to music by Norman Lloyd.  It premiered on July 30, 1937, at the Bennington School of the Dance in Bennington, Vermont.

Martha Graham: Martha Graham (May 11, 1894 – April 1, 1991) was an American modern dancer and choreographer.  Her style, the Graham technique, reshaped American dance and is still taught worldwide.

Praeludium (ballet): Praeludium, also called "Praeludium (No. 1)", was a modern dance solo choreographed by Martha Graham to music by Paul Nordoff.  The piece was sometimes subtitled "Dance of Greeting".  It premiered on February 10, 1935, at the Guild Theatre in New York City.  Graham created the original costumes.  Edythe Gilfond redesigned them in 1938.  In the same year Graham made "Praeludium", she choreographed another solo, "Formal Dance", to music by David Diamond.  It was renamed "Praeludium (No. 2)".

Immediate Tragedy: Immediate Tragedy, sometimes subtitled "Dance of Dedication", was a modern dance solo choreographed by Martha Graham to the music of Henry Cowell.  It premiered on July 30, 1937, at the Bennington School of the Dance in Bennington, Vermont.  The piece was created in response to the Spanish Civil War and rising fascism as Francisco Franco gained control of the country.

Figure of a Saint: Figure of a Saint was a modern dance solo choreographed by Martha Graham to the music of George Frideric Handel.  The work premiered on January 24, 1929 at The Bennett School in Millbrook, New York.  The all solo program also included: "Valse Noble", "Maid with the Flaxen Hair", "Fragilite", "In a Boat", "Insincerities" ("Petulance", "Remorse", "Politeness", "Vivacity"), "Tanagra (Gnossienne 1 and 2)", "Scherzo Waltz", "Deux Valses Sentimentales", "Prelude" and "La Cancion".  Louis Horst accompanied Graham on piano.

Lamentation (ballet): Lamentation is a modern dance solo choreographed by Martha Graham to Zoltán Kodály's 1910 "Piano Piece, Op. 3, No. 2".  One of Graham's signature works, it premiered on January 8, 1930 at Maxine Elliott's Theatre in New York City.  The performance was part of a concert staged by the Dance Repertory Theatre, a group that included dancer/choreographers Doris Humphrey, Charles Weidman and Helen Tamiris.  Their stated goal was "to give annually a season of continuous dance programs which will be representative of the art of dance in America and will give native artists an outlet for their creative work."

Supporting paragraphs: Salutation (ballet) Martha Graham
Answer: the Graham technique