Describe how each area of land was gained in the map above. (I'm in 8th grade btw)

Which two factors caused many americans to migrate to the west in the mid-nineteenth century? pick two the texas revolution discovery of gold at sutter’s mill the mexican-american war an interest in american indian culture cheap land prices

What does it mean to say the united states has a federal system of government

Can someone me with this ! i only have 20 minutes to finish it. i will rate you the brainliest and 5 stars.. asap (98 points)