Helen is a major contributor to American art history post-what war?
World War II
Vietnam War
Korean War
World War I
Answer
World War II. Helen Frankenthaler was an American abstract expressionist painter. Her most famous work, Mountains and Sea, was painted in 1952 and is considered to be one of the first examples of Color Field painting.
The Artistic Odyssey of Helen Frankenthaler: Mastering the Colors of Abstract Expressionism