Yep Because Europe is smaller then Asia so they didn't have a lot of their own "continentals" to kick the sh!t out of 
Sorry I know that was probobly immature but hey 
Well a major reason Europeans dominated was that most of them figured they had 'The RIGHT" to dominate and thus went out and did it with their advanced technology and rutheless determination.
You have to give Europeans one thing to their credit as an entire "continent" of people, when they become determined to conquer someone they usually do it.