What was one of the major goals of the disability rights movement?
protecting land rights and treaties from the past
bringing an end to segregation in public facilities
creating better conditions for migrant farm workers
providing better access to schools and workplaces

One of the major goals of the disability rights movement was to provide better access to schools and workplaces.

Explanation:

In the United States, the disability rights movement became a significant force in the 1970s; it was encouraged by the examples of the African-American civil rights movement and the second wave of the women's movement that began in the late 1960s.

This movement fought for improvements in the living conditions of people with physical and psychological disabilities, such as inclusive access to government buildings, social security plans for these members of society and inclusive labor and social conditions for them.

This group carried out several activities for achieving its purposes, such as demonstrations, protests and sit ins in several public buildings. Its activity led to the enacting of the Rehabilitation Act of 1973 which, before the adoption of the Americans with Disabilities Act in 1990, was the most important law in relation to disabilities.

the answer is

a. by accepting the election of president abraham lincoln in 1860 and convincing other southern states to do the same