The largest radical group in American history is often considered to be the Ku Klux Klan (KKK), which emerged in the post-Civil War era. Known for its white supremacist ideology, the KKK has been involved in acts of terror, violence, and intimidation against African Americans and other minority groups. Over the years, it has experienced various resurgences, particularly during times of social upheaval. Its influence has waned significantly in recent decades, but it remains a symbol of radical extremism in the U.S.
The radical Native American group that called for Native American lands to be returned is the American Indian Movement.
The Sons of Liberty is the radical group you seek.
Bolivia makes up the largest ethnic group in the American population. :)
The largest percentage of Tennessee's ethnic groups are American. The second largest ethnic group is African American. The third largest ethnic group is Irish. The forth largest ethnic group is English. Coming in last, the fifth largest ethnic group in Tennessee is German.
The Cherokee Indians
Son of Liberty
Baptist.
I am assuming you mean the United States. The third largest ethnic group in the US is African-American. Although technically not a single ethnic group, African-American is defined as one in the American census. It is preceded by German and Irish.
Roman Catholic
The American Farm Bureau Federation
Latinos
Latinos