One of the causes was that the US government wanted the black hills for gold, but the Sioux refused to give up the black hills causing conflict.
C.)There are things government is not allowed to do.
He thought that the United States should act independently.
The population in Ghana has drastically changed from how it was thousands of years ago. Ghana basically had less than a million people. In 1960, it had 6.652 million people living there after several colonizations. Now it has 27.41 million people residing in the country. From 1960 to now, it has increased by 412%.