Answer: Poor Communication
Dishonesty
Explanation:
1. Poor communication: Communication is vital in every relationship. The way people communicate in their relationship has either a negative or positive effect on the relationship. One of the main contributor to a detrimental relationship is poor communication.
When there's a communication breakdown, this will result into argument, low self esteem, hatred for each other etc. 
2. Dishonesty: In every relationship, honesty is paramount. One should be honest in their relationships. Dishonesty brings about lack of trust and this is bad for the relationship. It's important to be transparent. Don't keep secrets from each other.
  
        
             
        
        
        
Humans gave up razor-sharp claws, fangs, sense and instincts in favor of intelligence. This brain-power has enabled humans to make the ultimate adaptation; that of making the environment adapt to us. We have domesticated crops and livestock, we irrigate, we wear clothes, build shelters, air-condition or heat our homes.
        
             
        
        
        
Answer:
Downward social 
Explanation:
It’s caused by external situations like losing a job/unemployment