Original sentence: D&D was a radically new gaming concept at the time, but the rules provided no overview of the game so it was difficult, without prior knowledge of tabletop wargaming, to see how it was all supposed to work.The release of a "Basic" rulebook in 1977, removed the game's dependency on the Chainmail rules, and made it much easier for new, non-wargaming players to grasp the concepts of play
Edited sentence: D&D was a radically new gaming concept at the time, but the rules provided no overview of the game, and it was difficult, without prior knowledge of tabletop wargaming, to see how it was all supposed to work.The release of a "Basic" rulebook in 1977 rectified some of these flaws, removed the game's dependency on the Chainmail rules, and made it much easier for new, non-wargaming players to grasp the concepts of play.The rules were an editorial mess, poorly organized, with many ambiguities and contradictions