(a) Ashoka annexed Kalinga to the Mauryan empire in 261 BC. Though Ashoka abandoned the policy of physical occupation in favour of policy of cultural conquest after the Kalinga War,...
(d) All statements are correct. The last Mauryan ruler, Brihadratha was assassinated by his commander-in-chief, Pushyamitra Sunga in 185 BC. The last ruler of Kanva dynasty, Susharma was deposed by...
(c) Pushyamitra founded the Sunga dynasty by killing the last Mauryan ruler Brihadrath and the last Sunga ruler Devabhuti was killed by his minister Vasudeva Kanva.