States vs Yankee land

States

name

  • Those parts of the United States comprising states rather than territories. 

  • The parliament of either of the two Channel Islands countries: the States of Guernsey or the States of Jersey. 

Yankee land

name

  • The United States. 

  • New England. 

  • The northern states region of the United States. 

How often have the words States and Yankee land occurred in a corpus of books? (source: Google Ngram Viewer )