what does synchronization allow a plane to do?
Shoot straight with out hitting the propeller.
Who used U-boats more during the war?
Germany
How many miles of barbed wire was used on the western front?
1 million
How long after the first human flew did WWI start?
11 years
Where is the word u-boat derived from?
"undersea boat."
How long was the life expectancy of a flame trooper on the battlefield?
5 minutes
What was the gear called that allowed the German guns to shoot straight?
Synchronization gear.
How many sailors could a u-boat carry?
30-60
when were tanks invented?
1916
Why did the Germans have an advantage in air battles?
Germans had an advantage in air battles because there guns could shoot forward.
How many U-boats did Germany have active at any given time during WWI?
60
Why are tanks called tanks?
It was there code name because the looked like water tanks.
Before radio communication how did a pilot communicate bombings?
Pilots used carrier pigeons and messages in bottles to communicate bombings.
How many U boats did Germany have a the end of the war?
334
What was the poison gas?
chlorine gas.