Respuesta :
					                   I believe it is D, since there were droughts and diseases, however, i am not sure about floods. But since there is already 2 of the three, the answer is 
D. all of the above
hope this helps
					                
					                
					             D. all of the above
hope this helps
					                   A: Diseases
floods were rare and droughts were rare alsoa
					                
					             floods were rare and droughts were rare alsoa
 
			                   
					                  