PLEASE HELP!! 25 POINTS!! ILL MARK BRAINLYEST!!

Match the following items.
1. commander of the United States forces in World War I
2. President of the United States
3. site of Germany's huge offensive against the Allies
4. the assassinated Austrian archduke
5. British trading ship that was sunk by German U-boat
6. declared war on Serbia
7. American sacrifice on the home front

Wilson
Ferdinand
northwestern France
Pershing
Lusitania
Austria
gasless days