The clause in section 1 of the fourteenth (14) amendment, which forces the governments to treat all American citizens equally, regardless of skin color is known as the Equal Protection Clause. This clause took effect in 1868. This clause provides that no state shall deny to any person within its jurisdiction.
China is North Korea's largest trade partner, while North Korea ranked 82nd on the list of China's trade partners (2009 estimate) China provides about half of all North Korean imports and received a quarter of its exports. By 2011 trade had increased to $5.6 billion (₩5.04 trillion).