Citizens of a nation-state are expected to do all of the following except
a.
defend the nation from detractors
b.
embrace the national culture
c.
speak the national language
d.
recruit citizens of other states
answer is d

The obligation that is not expected by the citizens of a nation state is: D. recruit citizens of other states

New people who wanted to become  a part of the nation-states have to make the move by their own will. These new potential citizens had to pass the requirements that is made by the federal government (usually involved criminal history, skills, and the economic wealth that the potential citizens could bring)

answer; the population in brazil is very diverse there are many races and ethnic groups

its d i know cause i've been googling it