What killed around 90% of native americans?

Which word most closely describes the type of government in edward bellamy’s looking backward

To keep other european powers from threatening its empire in america, spain sent soldiers, settlers, and?

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