What are the principles of poetry creation advocated by American Imagist poets?

19 12 years, He, Aldington, Doolittle and others put forward three principles of imagist poetry creation (1) to directly describe subjective or objective "things"; (2) Never use any words that are not conducive to expression; (3) About rhythm, it is attached to the order of musical words, not written in the order of beats. Under his advocacy, the Imagist New Poetry Movement flourished, and many outstanding Imagist poets such as carl sandburg, Lowell and Williams emerged. Pound, the pioneer of American Imagist Poetry Movement, was deeply influenced by pictographic Chinese characters and China's ancient poems full of images, and determined to innovate English poetry and become a central figure in literary activities.