<span>d. feeling powerful and knowing you can change your behavior and responses
</span>
So, a possessive noun is usually used to indicate who or what has something, like "The Dogs' ball."
To change this form of children,plural, to a possessive noun, you will want to add an apostrophe, and then an s. It changes to this:
Children's
it should be every citizen´s moral duty to defend their country,therefore <em>strengthening their citizenship</em> ties. All citizens,men and women should have the right to fight for their homeland <em>encouraging fairness</em>,and finally mandatory service would <em>unite the country</em> against whatever threat.
The correct answer is:
(D) All of the above.
