IBM These United States

Released in 1984 by IBM / Art Thompson
For DOS

Image quality: Unmodified

These United States is an educational game, where one is quizzed on
state names, capitals, and geography.

A part of IBM's Personally Developed Software and Educational Family 

Requires IBM PC, XT, PCjr, Portable PC, or AT, 128k RAM, and DOS 1.1
or later.

Archive includes one 5.25" 160k floppy disk image.

Important: This software contains copy protection. The Kryoflux, SCP, 
Transcopy, Copy II PC, or ImageDisk images must be used to create a
working disk, or run in an emulator that supports one of those
formats.

Protection method: mis-numbered sectors on the last track.