China is one of the most culturally rich countries in the world. First time travelers to China might get kind of culture shock on landing in the country. The culture of the country dates back to almost 5000 years and it has almost no similarities to cultures and traditions of the western civilization. What might seem right to you might be wrong to them. The best part is that Chinese people do not impose their culture and traditions on foreigners. They are rather lenient in the matter of etiquette.
Just like many other 38 other countries, Singapore is a part and parcel of the VWP (Visa Waiver Program) allowing the Singapore citizens the chance to travel to the U.S. without the need of applying for a visa.