One cause is immigration. There is a lot of people immigrating to from other countries to the US. This has caused the population in the US to increase
An “isogloss” is a geographic boundary of a linguistic feature.
“Centum-Satem” is the Indo-European language family. Centum includes Germanic, Celtic, and Italic. Satem includes Iranian and Balto-Slavic.
Greek, Sanskrit, French, German, English and other Indo and European languages share commonalities and are thought to be derived from these earlier parent languages.
D. New Guinea
D. New Guam
