I need help with this crossword puzzle about world war 1! please answer as many questions as you can asap! thank you :)

1 is assasin i think idk if i spelled that right

6. is Russia

8. is Germany

thats all i could come up with/ see :-)

4 is Great Britain

7 is pollution

8 germany

11 is france

13 italy

12 is tradeandtax ? (not sure!)

14 capricious ?

hope this helped!!

Explanation:

necessary and proper clause. the congress shall have power to all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this constitution in the government of the united states, or in any department or officer thereof.