Unneeded federal land is generally disposed of by the US General Services Administration's Office of Real Property Disposal, and public domain lands are sold by the Department of the Interior's Bureau of Land Management. While there are other federal agencies which have the authority to dispose of specific properties, the General Services Administration can refer you to them in those cases.
congress
In countries that allow the private ownership of land the individual owner(s) have the right to sell their land. In countries where the government retains the title to real property, the grant must come from that government. In any case, only the owner has the power to sell real estate.
sell the land and rais money
If the principal no longer owns the land then they cannot sell it. You can only sell what you own.
the government is the highest form of power in the land.
mighty river power
eminent domain
to raise money and extend society west ward
Imperialism means the desire of a country or government to gain imperial power, power through empire and gaining land.
If you had land, you had power. The more land you had, the more powerful you became. You could influence the government if you wanted to, with just land.
If a lien is placed on your assets by the court system or the Internal Revenue Service - yes, the government CAN make people sell things to satisfy the obligations that the law requires.
Increased power for the central government due to decreased power of large landowners.
forcing commercial farms to sell their land