Answer:B
Explanation:B is the answer because all others are features of world war1 or the happened during world war 1 and the league of nation was created after the world war 1
I WILL GIVE BRAINLIEST
Sociology - year 9
Positives of overt and covert observers
Explanation:
overt-doesnt disturb the normal behaviour of the group so there is a bigger validity.
covert-rewuires no deception and participants are able to give their own informed consent.