1396
BP didn't exist in World War I.
they were used to protect many things such as war ships or armour
Thousands.
by 1914 Britain had 250 ships compared to Germany's 56 ships.
none.
4 ships were torpedoed in World War 1.
103 merchant ships were sunk in world war one
7
were there battle shipd in world war one ?
To sink ships.
Hospital ships and standard transports (Victory and Liberty ships).
I presume you mean armed ships disguised to look harmless. Such ships used by the British in World War I were known as Q ships. Those used by the German Navy in World War II were known as "Auxiliary cruisers" -- I think the German word is "Hilfskreuzer".
BP didn't exist in World War I.
3,000 Allied ships (175 warships; 2,825 merchant ships)
they were used to protect many things such as war ships or armour
Sinking merchant ships.
"Liberty ships" .