16.their
15.he's pointing out that the fight for equal rights is the work of all citizens of a free society
18.thoughtful reflection
Ex: The people in the office knew, basically, the less they worked the less their salaries are. <span />
Answer:
The sniper darted across the street. A machine gun tore up the ground around him with a hail of bullets, but he escaped
Explanation:
hope i helped