Question

PLS ANSWER ILL MARK BRAINILEST or however is spelt lol

Answer 1

Explanation:

For number 1: Nationalism is the identification with somebody's own nation and also to support  it's interests.

For number 2: It caused intense competition among many nations  with each seeking to overpower the other, a more stronger nation takes control or dominates a weaker country or territory.

For number 3: Positive incomes: promotes a sense of identity, unites people, promotes pride.

Negative incomes: leads to conflict with others, infringes on rights of others, creates xenophobia—the fear that someone will take them over.

Hope this is helpful!