In the 1920s, new products made household chores easier and gave people more free time. Products that used to be too expensive became affordable. New types of loans allowed every family to spend more than they had. The loans let them buy things in stores now and pay for them later.
The Constitutional Convention was held for the reason to discuss possible improvements to the Articles of Confederation. It took place in Philadelphia on May 14, 1787.
Probably the ocean, seems interesting.