At the time of columbus's arrival in the western hemisphere, where were the greatest concentrations of native americans prior to the arrival of columbus?

What affected the second industrial revolution have on transportation

Why did the outbreak of world war 2 create a need for new military bases across the country?

Question 1 of 10 2 points which phrase best describes an event's "historical context? " o a. the social or political setting in which it occurred b. the total number of people it affected o c. the unfair interpretations people have made about it o d. the different views people hold about it