external characteristics are the shape, erect stance, height, color of skin/hair, size of the body, etc.. 
the internal characteristics are the skeletal and organ related… some also take into consideration the breathing, blood circulation, digestive, reproductive systems, etc.
 
        
             
        
        
        
Carl rogers stated that healthy personality would result from congruence between one’s ideal self and their perceived self.
Carl Rogers was an American psychologist and regarded as one of the most eminent thinkers in psychology.
The psychologist created the concept of congruent self where he stated that for a person to achieve self-actualization, they must be in a state of congruence.
The state of congruence means the state in which a person's ideal self and actual experience are very similar.
Therefore, Carl rogers stated that healthy personality would result from congruence between one’s ideal self and their perceived self.
Learn more about this here
<em>brainly.com/question/10846181</em>
 
        
             
        
        
        
Speak softly: stay calm and speak to others rationally without forcing your opinion on others. 
Carry a big stick: know you have huge assets and powers that can be used only if necessary. 
Foreign Policy: TR wanted to deal with other countries in a peaceful, non-threatening manner, but would remind other countries of the vast US powers (big stick) if necessary. 
Hope this helps! :)
        
             
        
        
        
Because when the big bang happens it spread out all that matter and energy and like a rock when it hits the water the waves keep spreading out