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

Answer:
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 :-)
Answer:
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: