World War 1 Crossword

gas used to disable enemies
the americans brought them into the war
people that fought in the war
used to cause explosions
willing to do anything for your nation
European nations competing with other European nations to gain land
used as a defensive weapon; rapidly firing automatic gun
used as weapon; Germans were the first to use these ; underwater
germans used these as weapons; threw fire; had to be close to enemy
used as an offensive form of fighting; provided cover
the land between the trenches
british ship that was sunk by german submarines
young soliers that helped stop the Germans from getting into France
march aggressively into a territory by military force
a republic in central Europe
an economic system based on private ownership of assets
freedom from control or influence of another or others
any person in the armed services who holds a position of authority or command