Translation of integrieren

I counted the bills and saw that ten thousand Lire were still missing. The old man return to the children, grabbed the oldest one for a second time and hit him again. A minute later he came back with the missing.
They are not used to live together with other religions and cultures and they do not know how to coexist. In each region people assume things about others, but in some regions the hatred grows.
After a long sleep we ordered a cab which took us from the hotel to the airport. We were a little sad to leave. The flight over the South China Sea lasted two hours. We landed in Hong Kong's new airport.