its A
i say its a because the other ones don't evolve the north doing something politically
I think it would be the failure to pass treaties. European nations are often in conflict over land territories and vast riches of the country. Another reason why the European countries always care in conflict, it would be religion. Many of them are firm believers Christianity. I think this was the reason why there was Crusades occur.
5,650 people died in the suicide bombs on 2016
Because states might have an uneven amount of rebublican and democrat representatives. Say you have a state that has more democrats then republicans. The rebublicans end up getting screwed because they're is not enough of them.