Susan anthony and elizabeth stanton were responsible for starting the american rights association in 1866.

the answer is American equal rights association

The missing word in the sentence:  EQUAL

The constitution of the American Equal Rights Association (AERA) stated the organization's purpose:  "to secure Equal Rights to all American citizens, especially the right of suffrage, irrespective of race, color or sex."  It was a group that grew out of the National Women's Rights Convention at the 11th such convention, held in New York in 1866.

Susan B. Anthony (1820-1906) Elizabeth Cady Stanton (1815-1902) were both key social reformers and activists in the women's suffrage movement.  

most people were factory or company owners.

was a long, primarily nonviolent series of events to bring full civil rights and equality under the law to all americans. the era has had a lasting impact on united states society, in its tactics, the increased social and legal acceptance of civil rights, and in its exposure of the prevalence and cost of racism. in the south violence and fraud in southern elections from 1868 to 1876, which had reduced black voter turnout and enabled southern white democrats to regain power in state legislatures across the south