What is the theme of this article?
Many factors influence the climate of the United States
B
The United States has one climate.
Currents have the greatest influence on climate
D) Climate influences the movement of air and water
rt B Fill in the circle before the sentence from the

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