Which invention to speed up the building of the erie canal?
a. cotton gin
b. spinning jenny
c. water frame
d. stump remover

Between the world wars eisenhower's presidency the 1960s what is the organizing principle of this list?

The declaration of independence gave the americans concrete reasons for the revolution

Why were chinese american immigrants frequently detained when trying to immigrate through angel island? the rules for immigration were stricter at this checkpoint due to health issues that were prevalent among asian populations at this time. the location of the island was difficult to reach, and ships to the mainland were often prevented from sailing more than once a week. immigration agents were notorious for asking immigrants confusing questions as a means of denying them entry. low wages caused a shortage of immigration officials, so many immigrants had to wait weeks or months before their applications were processed.