to meet someone unexpectedly
cross paths
to mix or combine together
blend
-meeting somebody
-communicating with somebody
contact
relating to the whole world
global
to exchange something that you have for something else
trade
an accepted way of behaving or of doing things in a society or a community
custom
to give and receive
exchange
to take control of a place or people by using force
conquer
to meet somebody, especially somebody new, unusual or unexpected
encounter
the way of life of a particular country or group
culture
involving two or more countries
international
a state of human society that is very developed and organized
civilization
to cover a large area
spread
to make a place your permanent home
settle
connected with the people who originally lived in a country before other people came there
native