Anti-war Northern Democrats
Northern Democrats who opposed the Civil War in 1860 and wanted a peaceful resolution were referred to as Copperheads. This term equated them with the venomous snake indicating they were problematic and hurtful to the Republican efforts in the North.
They were American immigrational laws signed by president adams
The combined area of colonies that held by the nation's of the Triple Entente incorporated major parts of Africa, the Indian subcontinental, as well as Australia. While Germany and Austria-Hungary had negligible amounts of colonies before WW1.
North Korea is a dictatorship, and the government is not allowing medical aid from abroad because they don't want to loose their control of the territory.
They also don't use the methods of farming found in other places and which proved to be more efficient.