The reason your website ranks in one country rather than in another is case the majority of its backlinks originate in or from that country!
The factor to consider is traffic source. You need traffic to come from US if you want to rank there!
As suggested by our SEO expert above find relevant sites to your niche that rank high on that country and then get backlinks from them, this will generate traffic too.
Looking for ways to make money fast
? Read this article and start earning money todya fast, easy or for free.