The Northern and Southern Hemisphere is based on the equator and who is above or below it. The reason for this is that it is the centre of Earth and therefore the division line
For the most of the 20th century Russia was a Communist country with Socilaistic central planned economy and ruled by one party.
Many Americans were against getting involved in a War that was being fought in Europe though begrudgingly Americans became aware there was danger on the High Seas as Atlantic waters became host to submarines while warships dueled in the waters of the South Pacific and Atlantic.
Many Americans, particularly the Wobbles, the IWW International Workers of World (rightly) argued that the main reason for fighting would be to profit by various means profits that would mostly land in the pockets of International Bankers and Industrialist, the Halliburton of the times.
C. A large portable dome or arch shaped home made out of wooden sticks and covered in animal skin, mud, or grass