Since the modern means of transport and travelling have made it easier for people to visit other countries (stop here),local ,public and international interests in cultural differences start to be raised as an important issue.
... why don't you stop at the point I highlighted. It reads much better that way. The latter tends to make the reader confused!
,local ,public and international interests in cultural differences start to be raised as an important issue
... you need to attend to this phrase! It sounds confusing to me.
Tell the idea with simple words and more clearly!
The arguments whether local people should accept these differences or that the foreign visitors should commit themselves tofollow local customs and traditions can be discussed from many perspectives such as social and economic aspects.
.... avoid lengthy sentences... the reader needs to memorize lots of details when your sentence is long and he does not like it. Present your ideas in clear shorter sentences!