Answer: the land grant was cancelled since the election was out of control
Explanation:
The answer above looked like it was too much to read so here’s the simpler version and I got it right on edg2020
It was primarily "economic" forces that transformed the institution of slavery from the early 17th century to the 19th century, since during this time the demand for cotton greatly increased, which increased the demands for slaves.
Jan 1, 1834. The Great Plains Act. ...
Jan 1, 1850. Change in Policy. ...
Nov 29, 1864. Massacre At Sand Creek. ...
Dec 1, 1866. Death On The Bozeman Trail. ...
Nov 1, 1868. The Treaty of Fort Laramie. ...
Jan 1, 1874. The Gold Rush. ...
Jan 1, 1875. The Red River War. ...
Jan 1, 1876. Custer's Last Stand.
The answer is to prevent a British invasion from the north because it would have been very easy for Britan to destroy them because they were weak in the north.