Which was a key feature of trade and urbanization during roman times? a. shortages of food for the lower skilled workers b. great merchants becoming the elites of rome c. well-built and secure roads and sea lanes d. lower population numbers of the middle class

How did the mountains on the oregon trail influence the timing of pioneers’ travels? a.) the pioneers wanted to avoid times when there was snow in the mountains. the pioneers wanted to spend as much time as possible enjoying the mountain scenery. b.) the pioneers crossed the mountains in late fall when the trees were bare and the views were good. c.) the pioneers were rugged people who were not impacted by the terrain they crossed at any time.