What happened in Poland in 1989? Many solidarity candidates were voted out of office.
Workers finally were given the right to form unions.
The Polish government banned all workers’ unions.
Lech Walesa became the first freely elected president.

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