Why do you think the states of mississippi required all black persons to sign yearly labor contracts but not white citizens?

This was one of the measures that states in the South implemented after the abolition of slavery took place during the Civil War. These types of laws are known as the Black Codes.

One of the possible reasons why the state of Mississippi required black people but not white people to sign labor contracts was because the state was trying to find ways in which black people could be controlled. This would effectively reduce the rights and liberties that former slaves received and would allow landowners to continue the system of slavery in an unofficial way.

adopted the practice of proskynesis, a persian court custom that involved bowing down and kissing the hand of others, depending on their rank.

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.