However, tribes may have also led to conflict, as different tribes began competing for water, food and other resources.
(tribes; may have also led; to conflict) (different tribes; began; competing for water, food and other resources) Context(different tribes began,List([50, 72))):(different tribes; began competing; for water, food and other resources)
different tribes began,List([50, 72))
tribes different tribes different tribes
may have also led began began competing
to conflict
competing for water, food and other resources
for water, food and other resources