What are common effects of nationalism? Choose four correct answers.

It leads to national self-rule.
It promotes exclusion and persecution.
It leads to increased trade among nations.
It creates conflicts among different groups.
It unites people with shared backgrounds.
It spreads the ideas of the Enlightenment.

The correct answers are:

- It promotes exclusion and persecution.
- It creates conflicts among different groups.
- It unites people with shared backgrounds.
- It leads to national self-rule.