Although their technology and techniques were simple, the Indians were also accomplished farmers who grew several crops in sufficient quantities to ensure survival when hunting, fishing, and gathering were inadequate.
(their technology and techniques; were; simple) (farmers; grew; several crops; T:in sufficient quantities) Context(farmers grew,List([89, 105))):(farmers who grew several crops in sufficient quantities; to ensure; survival) Context(farmers who grew several crops in sufficient quantities to ensure,List([89, 154))):(hunting, fishing, and gathering; were; inadequate)
farmers grew,List([89, 105)) farmers who grew several crops in sufficient quantities to ensure,List([89, 154))
their technology and techniques farmers farmers who grew several crops in sufficient quantities hunting, fishing, and gathering
were grew to ensure were
simple
several crops T:in sufficient quantities
survival
inadequate