<span>The election of President Obama is a significant event in American History due to the fact that he is the first African American President. The rise of ISIS is also another event that caused many events to transpire in recent history.</span>
        
             
        
        
        
Answer:  Feeling In-between stages.
Explanation:
According to the theory of Arnett , in-between stages is defined as the age of person in which he/she they are not considered adults but at the same time they cannot be described as adolescent.The stage of being between the age of these two stages lets the person have feelings and behavior of both the ages.    
According to the question, Alexis is displaying the feeling in-between stage as she is able to have the feeling of adolescent by acting half her age and  behave as mature and independent person at work like an adult.
 
        
             
        
        
        
It's a large alliance of nations, meant for the protection of themselves, I think.