Answer:
so in my understanding we select 4? 
this is the answer for when i select 4 
1.)  it led to the development of new forms of irrigation
2.) shrinking farms were unable to support large cities 
3.) it reduced the amount of farmable land. 
4.) It benefited farmers by eliminating monsoon flooding. 
the wrong answer is it caused people to change the types of crops they planted 
Explanation:
 
        
                    
             
        
        
        
The concept of nullification is a "legal theory that a state has the right to nullify, or invalidate, any federal law which that state has deemed unconstitutional with respect to the United States Constitution (as opposed to the state's own constitution)."
 
        
                    
             
        
        
        
The correct answer to this open question is the following.
Although there are no options attached we can say the following.
What did Aquinas believe?
Answer: In simple terms, Thomas Aquinas believed that science and faith could coexist.
St. Thomas Aquinas (1225-1274) was an Italian priest of the Dominican religious congression that founding the influential Thomistic school that developed theological concepts in the Middle Ages such as the idea that God could be demonstrated by observing the cause and effect of things, by observing the movement of the world, and God granted intelligent to al natural beings.
Written between 1265 and 1274, "Summa Theologica" has been one of the most important books for the Catholic Church that still today is part of the curriculum of religious studies for priests. In Summa Theologica, St. Thomas Aquinas sought to reconcile faith and reason.