Question

Please look at the green shaded part of the first map, then explain how we gained all the land from that border to the Pacific Ocean on the left. The lesson goes into detail about each of those land gains and you are to summarize them for #1. 
 
For #2, please look at the second map and see what resources the land held that we gained along with the land.  

Answer 1

we stole it from the native americans, and we traded many items that we knew were full of disease and gave it to the native americans.