Answer:
The technique is called variation
Folks are dressed up as eskimos
hope this helps
There are multiple answers that you could argue, but my best guess is that in these years he was influenced by jazz, the "music on the street", since this is when he wrote music for the Theatre suite.
a. wash the material in cold water and dry on high in dryer.
because anytime you wash close in cold water and then dry them in the dryer on high then they shrink