Once the United States entered World War I, its navy played a key role by shipping soldiers across the ocean to Europe.
protecting American ports from German attack.
escorting merchant ships across the Atlantic Ocean.
supplying technology to the British Navy.

to act quickly in times of danger to the united states

because you have to act quickly if you want to live/survive.

deseasie in europe              

hello! : )

i think a judge or jury, as they preside over the court and is the central figure in a trial.

hope this and i hope i answered in time!

good luck!

~ destiny ^_^