Federation is a collection of short stories by American writer H. Beam Piper, edited by John F. Carr.
The book was published in 1981 by Ace Books, and again in 1982, 1983 and 1986.
Most of these stories take place in the early part of his Terro-Human Future History.
This article about a collection of science fiction short stories published in the 1980s is a stub.
You can help Wikipedia by expanding it.