The 1920s were a unique time in the United States in the sense that it was a time of great economic prosperity and also great social woe. What led to this tension was a mix of rising immigration levels and and irresponsible attitude towards money and spending.
The creation of sacred texts is very important to the spread of Hinduism because it basically provides a formal and written documentation or proof about the religion that can be used by the different civilizations and generations to come for research purposes.
"New" Immigration took place during the Gilded Age. Most of the immigrants were from Greece, Italy, Poland, Slovakia, Serbia, Russia and Croatia. The vast majority of immigrants were Roman Catholic and Eastern Orthodox. However, Jews from Eastern Europe began to immigrate as well because of increasing persecution. Sorry if this didn’t help