How did military leaders for both sides try to break the stalemate on the western front in 1916?

What was the most common destination for african american migrants between 1910 and 1930

How did the treaty of versailles cripple germany after world war one ?

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