The answer would be B , oil in Southwest Asia has created an unequal distribution of wealth ( some countries more than the others ) .
        
             
        
        
        
Meriwether Lewis and William Clark helped open the American frontier to settlement by exploring the regions further out west. They mapped these territories and found accessible routes, so that Americans could move further out west and settle the land before the Europeans could claim it. There was also a smaller objective of studying the science and possible economic qualities.
        
                    
             
        
        
        
Answer:
D) metacognition.                            
Explanation:
Metacognition: The term metacognition is defined as knowing about knowing, cognition about cognition, thinking about thinking, higher-order thinking skills, and becoming aware of one's awareness.
Metacognition is referred to as knowledge that can be used to solve problem-solving and learning strategies. In other words, it refers to an individual's ability to regulate his or her thinking.
Stages in metacognition: 
1. Planning and development.
2. Carrying out the plan.
3. Examining how well it went. 
In the question above, Aili is not yet good at metacognition.