The major focus of the Niagara Movement was to

Afurther the views of the Anti-Imperialist League
Bpromote nativism and stem immigration
Cachieve civil liberties for all African-Americans
Dgrant suff rage to women
Epromote conservation of American natural resources

Verified Answer :

The major focus of the Niagara Movement was to "(C) achieve civil liberties for all African-Americans", since this took place in the wave of the first major Civil Rights movement in the United States and was headed by W. E. B. Du Bois and William Monroe Trotter.