A is the answer, expansionism
Those factors were:
city-states
the drawing of political borders
divide and rule policies
<span>The Supreme court declared the northwest ordinance constitutional, meaning that the lands promised to natives by the US would be given to them. That being said, the land was very soon after, taken back when Americans expressed anger over the fact that they couldn't have that land.</span>
Answer:
May 17, 1954
Explanation:
This is when the earlier decision was overturned.
