A lancet arch is a window with a pointed arch, these are considered somewhat gothic and often have stained glass or other designs on them. They were used as decoration in churches, castles, ballrooms, etc.
By definition art is "<span>the expression or application of human creative skill and imagination, typically in a visual form such as painting or sculpture, producing works to be appreciated primarily for their beauty or emotional power." I consider art to be a human's way of letting their true intentions and feeling come out in a visual or audio form. </span>
The progressive movement contributed to the increased value of liesure time for workers
The answer is Pablo Picasso. The artwork is called, "Three Musicians" which was created in 1921.