This list includes 129 NOCs (118 of the current 206 NOCs and 11 obsolete NOCs) Arranged alphabetically
The correct answer is ostracism.
Ostracism or to ostracize someone means to purposely exclude or banish someone from a group. Individuals who are ostracized experience feelings of rejection, humiliation and often feel lonely and depressed. Ostracism can be found in various social settings and groups, but tends to be more common in adolescent age groups.
2 negatives is that they caused war, and killed indians
2 positives are they discovered new land to develope maps, and unlocked new trades routes
hope my answer helped!!^-^
