It is much easier to murder than settle differences peacefully.
There is also the issue of wanting power, if some can wipe out a group of people easily, then other races/creeds/nationalities will likely fall into line sooner than later. Hitler and Stalin did this prior, during, and post WW2.
.......................................
Answer:
a Greco-Roman periplus written in Koine Greek that describes navigation and trading
Taking action through intersectional
