what region of the world is north america in?
Northern Hemisphere Western Hemisphere Americas
entailment
 North America : 

entailment
 In his book The Three Americas ( 1935 ) , Widney suggested that the United States , Canada , the United Kingdom , Australia , New Zealand , and South Africa form an Anglo @-@ Saxon federation with freedom of migration and a common citizenship . 

contradiction
 = = = = Central and South America = = = = 

entailment
 North and South America 

entailment
 = = = North and Central America = = = 
