Note 2 at Ac 24:15: Paul not only denied any sedition and stated that his accusation was over religious matters (see note 1 at Ac 24:14), but he also went on to specify the main religious issue in question--the Resurrection. By mentioning the Resurrection, he was rekindling the rivalry between the Pharisees and the Sadducees (see note 4 at Ac 23:6) that had gotten him "off the hook" before.

Note 3 at Ac 24:15: Some people believe in only a partial resurrection. There are different variations of this belief, but usually they believe that only a select group will be resurrected to eternal life and the rest of the dead are just nonexistent. Paul clearly did not believe this. He believed that the just and unjust would both be resurrected.