they do, just not as many as on the other continentWhich weren’t in the original either. All that stuff was added later. Minotaurs don’t even live on the same continent as the War of the Lance, so obviously they aren’t needed.
They were not, DL1-14 came out well before there were Amy player rules to support it beyond the core books.Even the classic modules were supported by the original 1e setting book and subsequent box set.
DL5 was setting, that is why there are 14 modules when there are 12 adventuresThey were not, DL1-14 came out well before there were Amy player rules to support it beyond the core books.

(Dungeons & Dragons)
Rulebook featuring "high magic" options, including a host of new spells.