Describe one specific historical event or development during the period of 1786-1861 that could be used to support david potter’s interpretation of the civil war

i think it should be slowed colonial western march

the safahids used force when persuasion to convert from being a sunni muslim to embrace shi'ism was not effective. they also persecute shi'ites who have different views from their imposed teachings.

may i ask which amendments?

c. extended rights of citizenship to new groups