What is associated with: a 1935 study found that water in galesburg ill helped prevent tooth decay because it contained this?

What is associated with: a 1934 nyc taxi drivers strike led him to write waiting for lefty the first of his plays to be… What is associated with: a 1934 production of this play featured the young orson welles as tybalt? What is associated with: a 1935 act of congress gave this agency the icc authority over motor carriers drivers? What is associated with: a 1935 fred astaire film is named for this type of spiffy headwear? What is associated with: a 1935 version of this dostoyevsky classic is seen here? What is associated with: a 1936 dissent by justice stone accused 6 other justices of a tortured construction of this do… What is associated with: a 1936 fire in this city destroyed the prefabricated crystal palace? What is associated with: a 1936 operetta the headless horseman was based on this 1820 short story?