I'm not sure why you're looking at space exploration as a competition where we want to dominate. It's not a competition. We should welcome everyone. Even if no one else participates we should still increase our effort, not reduce it. There's so much more to learn.
As I mentioned earlier, this article explains it much better than I could:
As I mentioned earlier, this article explains it much better than I could:
http://www.vox.com/2015/2/23/8052365/nasa-budget-europa