The allianes caused WWI because when one counrty joined the war another counrty would have a problem with that counrty then he would join. Then that's how all counrty's caused the Great War because of It's problems with Each counrty.
a counrty trading with another counrty
No. It is an ocean.
No
Belgium
egypt
Iran
Israel.
Turkey
Canada
Bangladesh! ;)
Columbia