Answer: It made the United States enter the war
Explanation:
A Serbian Killed Archduke Ferdinand Of Austria-Hungary .
Hi the main leader's of the battle of great Britain are Hugh Dowding Keith,Park Trafford, Mallory Quintin Brand, Richard Sal LIoyd,Breadner.
I thing it's A.supreme court hope this is right
The last choice “were formed by outside conquerors who unified the regions they conquered through their use of military technology”
