Christianity.
It depends on what country you talk about. In the US for example all religions may be practiced as US accept immigration from almost all countries. In Indonesia, for example, Islam is the commonly practiced religion. In India, it is Hinduism, in China, it is Buddhism. In Vatican and most European countries, it is Christianity. and so on
We aid China
Christianity and Islam
salafi
Yes, polygamy is still practiced in the United States by some groups of people, but not with legal consent.
China is a great business partner.
No it is summer in China as well as both the US and China are in the northern hemisphere.
The US has a trade deficit with China. That means China sends the US goods worth worth more money than those the US sends China.
Both, but the South was more severe.
Civil and criminal laws
China is smaller than the US by about 257,000 km2