The correct answer is A. Managing and building of irrigation systems.
This act of newlands reclamation covered states of western where texas was not added because it had no federal lands but it was added later.
The act set some money aside for sales which were made in semi-arid public lands for maintenance and construction of projects on irrigation.
If a land becomes well irrigated it is then sold and that money being put in a fund which revolving in order to support other projects which are of the same type.
