A. to fulfill their life-long commitment to abolishing slavery in the u.s.
B. Over time, species became better adapted to their environment.
Northern cities (in general) had not welcomed the huge Influx of African Americans.
Explanation:
Bhimrao Ramji Ambedkar (14 April 1891 – 6 December 1956), also known as Babasaheb Ambedkar, was an Indian jurist, economist, politician and social reformer, who inspired the Dalit Buddhist movement and campaigned against social discrimination towards the untouchables (Dalits