Why is mexico called a developing country?

It is called a developing country because it is going through poverty and many natural disasters. So for short is developing through all of the countries struggles. 

Historians are researchers of the past or people who understand the history of people. with this field, they must possess qualities such as being unbiased, patient, efficient reader, has a knack for logic and critical thinking and reasoning, disciplined, open-minded, resourceful, with good analytical ability, good reasoning skills and problem solving!