WW1

2. Fighting method that offered protection against enemy fire, but left them vulnerable to bombs.
3. Germany would support Austria-Hungary no matter what.
6. Continuous stalemates (no winners or losers)on battles.
10. Alliance between Fance, Russia,and Great Britain.
13. extending the rule of authority of one country over other countries or territories.
15. Making military very strong and dominating the countries.
17. Closed association of counries to achieve a common goal.
18. Narrow strip of land between trenches.
19. Terrorist organization in Serbia.
20. Alliance between Germany, Austria-Hungary, and Italy

1. The development of industries in countries.
4. Going above the trenches and fully exposing themselves when ordered.
5. When two or more countries get in competition of the best military.
7. When a country has to fight in two different fronts.
8. Extreme pride for one's country.
9. "Hand over terrorist or face war".
11. War with no restrictions on weapons, combatants or territories involved.
12. Policy regarding British Navy.
14. Plan to avoid a two-front war.
16. The idea that promoted unification of Slavic people from the Balkans.