Which government action prompted the organization of two women's suffrage groups in 1869 the arrest of margaret sanger the announcement of catt's "winning plan" the passage of the fifthteenth amendment the passage of the nineteeeth amendment

Ahistorian has discovered a letter written by an early roman emperor. she translates the letter and discovers that it contains orders to a general before a battle. she works to determine when the letter was written to figure out which battle the letter references.the historian in the passage is most clearly demonstrating which historical thinking skill? a. identifying causes and historical contextb. thinking chronologicallyc. making and evaluating arguments and interpretationsd. analyzing historical sources