Answer: D or C both works
 
 
        
             
        
        
        
Answer:
Correct answer is C. They were pushed out of their own territories by nomadic groups.
Explanation:
The only correct option is C as the  Germanic tribes of Vandals, Ostrogoths, Visigoths, Franks and many other were pushed during the Great Migration by the Huns in 375.
They settled on the soil of Roman Empire, destroyed its western part and created many countries on their own.
 
        
             
        
        
        
<span>Led to the transatlantic slave trade</span>
        
             
        
        
        
A human service professional should conduct delegations of authority to assess gaps between current and desired conditions. Hence, option D is correct.
<h3>
What is delegation of authority?</h3>
When division of labour and responsibility to make decisions is given to an individual who is supposed to report to a leader or manager, it is known as delegation of authority.
In simple words, power and authority are divided among the subordinates that are working under a leader or manager. It is a kind of sub-division or sub-allocation to subordinates for achieving effective results.
The complete question is attached in image form at the end.
Thus, to assess gaps between current conditions and desired conditions, a human service professional should conduct a delegation of authority. Option D is correct.
Learn more about delegation of authority from here:
brainly.com/question/14875204
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Articles one and three are the ones that seem to apply: 
<span>Men are born and remain free and equal in rights. Social distinctions may be founded only upon the general good.<span>The principle of all sovereignty resides essentially in the nation. No body nor individual may exercise any authority which does not proceed directly from the nation.</span></span>