The factor that had the most influence in the transition from wandering tribes to the emergence of cities would be "<span>a. food," since it was a surplus of agriculture that allowed people to develop trades other than farming. </span>
Many countries are much more peaceful and less threatening than the U.S is
Pleasing.. Winning.. attractive..
Answer:
to show what there people can do
Explanation:
The Rocky mountains provided the greatest obstacle to railroad expansion
