Such corporation shall have all the rights, privileges and franchises necessary to a promotion of the end of its creation and shall be charged with all corresponding duties, liabilities and responsibilities. Such corporation may hold and may lease, sell or in any other manner not inconsistent with the object or terms of the grant or grants under which it holds, dispose of any property, real or personal, or any estate or interest therein, remaining of the original or any subsequent grant by Congress, or by this state, or by any person, or accruing to the corporation from any source, as to it may seem best for the purposes of its institution; and any and all sales of property, real or personal, heretofore made pursuant to and by authority of action of the board of trustees of said institute and written instruments of conveyance of title thereto purporting to have been made pursuant to such action are hereby ratified and confirmed as acts of the institute, and similar sales and instruments of conveyance made during the time when the name of the institute was the Agricultural and Mechanical College of Alabama are likewise ratified and confirmed as acts of said Agricultural and Mechanical College of Alabama.