Many of the Best Known and Largest Interest Groups,such as the Anti-Defamation

Multiple Choice

 Many of the best known and largest interest groups,such as the Anti-Defamation League and the Chamber of Commerce,formed in the 

A)  first two decades of the 19th century. 
B)  last two decades of the 19th century. 
C)  first two decades of the 20th century. 
D)  1860s and 1870s. 
E)  1960s and 1970s.