Answer:
1. Nemesis - A bitter or hated enemy who seems all-powerful.
The word nemesis comes from the Greek <em>némein</em>, meaning "to give what is due". Nemesis was the name of the Greek godess of retribution.
2. Tactic - A plan of action to achieve a military goal.
A tactic is a specific, detailed plain to achieve a goal, and stems from a more general plan that is called strategy.
3. Battery - A group of artillery pieces arranged to form a unit.
A battery is a group of artillery in an army.
4. Emancipation - To liberate or set free from bondage.
Emancipation specifically refers to the advancement of individual, social, and political rights of oppressed people.
5. Compromise - a settlement of a dispute in which two or more sides agree to accept less than they originally wanted.
Self-explanatory.
Explanation: