Since the beginning of time people were meant to belong to tribes. Helping people in need is a basic gesture that keeps us humble and essentially, human. Many peoples struggles are beyond their means and without assistance, poverty would become unmanageable.
For the genocide in India
The answer to this question is Genetic Determinism
According to this doctrine, The environmental factors do not play any role in determining individuals character traits.
One problem with this doctrine is that assuming that the doctrine is true, there is no need for individuals to learn about morale anymore, since they're genetically pre-disposed to have a certain characteristic anyway
The correct answer is: a personal fable.
Adolescents who develop a personal fable, engage in risky behaviors because they feel there won't be consequences from their actions. In other words, they think nothing bad could possibly happen to them.
It is a very common behavior, especially for teens around the ages of 11 and 13, because they tend to believe they are special or "unique" individuals. This egocentrism makes them falsely believe that they are indestructible.