The type of government is in the United States is the Federal Government.
1 is Kiev
the last one. True
I would answer the others but i don't know the answers completely.
One theory suggested that a nomadic, Indo European tribe, called the Aryans, invaded and conquered the Indus Valley Civilization. The eastward shift of monsoons may have reduced the water supply, forcing the Harappans of the Indus River Valley to migrate and establish smaller villages and isolated farms.