Umm one group could be people around 60 years or older. Another group would be disabled people.
I believe the answer is: <span>linguistic principles
</span><span>linguistic principles would regulate the framework in which an arrangement of words could be considered as 'acceptable' for a langage.
</span>This would include things such as accordance with general principle (grammar) , syntax, and other language parameters.
<span>Being a son or a daughter is your _chocie______, but the expectation that you show respect to your parents is your ___job____.</span>
I'm going to say the answer is B because it deals with slavery and the reason for the civil war was because of slaves.
Sorry that I'm late and If it wrong. Either way good luck!