What was the purpose of "letters from a farmer in pennsylvania" in terms of the american revolution?

The Letters froma farmer in Pennsylvania were written by John Dickinson in 1767-1768. The purpose of the letters was to unite the colonists against the Townsend Acts passed by the English Parliment. Dickinson saw a conflict coming between the Colonies and the British but warned against it ''until the people are fully convinced''.

the social historical theory explains the creation of the varnas, jats and of the untouchables. according to this theory, the caste system began with the arrival of the aryans in india. the aryans arrived in india around 1500 bc. the fair skinned aryans arrived in india from south europe and north asia.