Chinese culture being less accepting of foreigners has nothing to do with it being a "frontier". If anything, it's the opposite. The US is a relatively young na

Chinese culture being less accepting of foreigners has nothing to do with it being a "frontier". If anything, it's the opposite. The US is a relatively young nation populated almost entirely by immigrants or descendants of immigrants. China is a long-established nation with a relatively homogeneous population (90% Han Chinese).