The dark ages in Greece lasted 300 years
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Lack of support networks becomes one of the most important factors in the acculturation process, but can also be one of the greatest sources of stress for immigrants and refugees.
This is further explained below.
<h3>What are 
immigrants?</h3>
A person who relocates to a different nation is considered to be an immigrant. An individual who migrates from her native Mexico to her new home in the United States is an example of an immigrant. A plant or animal that has only lately made its debut in a particular region for the very first time.
In conclusion, For immigrants and refugees, a lack of support networks may be one of the most significant aspects in the process of acculturation, but it can also be one of the most significant causes of stress for these groups.
Read more about immigrants 
brainly.com/question/13688875
 #SPJ1
 
        
             
        
        
        
The explanation to the reason why these events are related is:
- Atmospheric dust from the eruption caused a decrease in the amount of solar energy reaching Earth. 
 
<h3>What is atmospheric dust?</h3>
This is a term that is used to refer to a mixture of both solid particles and also liquid particles that are suspended in the atmosphere.
This phenomenon would cause the weather changes on the parts of the country that it settles.
Read more on volcanoes here: brainly.com/question/440765
 
        
             
        
        
        
The correct answer to this open question is the following.
Although there are no options attached we can say the following.
The things that are needed for human solidarity to thrive in a Catholic perspective are the understanding and the compassion of good Catholics to the pain and suffering of other people. 
According to the Catholic religious teachings, Catholics must recognize the necessities of other people who are suffering and show the kind of compassion and respect for the events they are living, understanding that God has a purpose for every one of us. 
The reasons of the almighty God can be unknown to humans, but he has his motives. Or as the common saying states, "God acts in strange ways."
Catholics are taught that humans form a big community on Earth, and they can help and be part of the solution trying to understand the circumstances of other people, walk in their shows for a while to understand what they are living, to never judge, and lend a helping hand when it is needed.