What is the main purpose behind the privileges and immunities clause of article iv?

hey depneidng on the rooselvet your talking about theres 2 options either the new deal or the social welfare project hope this

i believe it would influence their own way of understanding things. it shall be a foundation where they can draw or start an argument.   historians are also  scientists that  have their tools of analysis and expertise to unlock a variety of difficulties such as relationships of man, origin, politics, economy, and culture. based on facts and understanding on these areas, they may shade light to extract ideas and develop options to validate a hypothesis or debunk it.