A map titled Aryan Migration. The map shows Europe and Asia. A key shows 3 stages of migration by color. Purple is the smallest area at the center of the map between the Black Sea and Caspian Sea. The green area extends from the purple area west toward Europe and east into Asia. The orange area is the largest and extends from the green area in all directions, reaching India, further into Asia, and most of Europe.
Which statement best describes the Aryan migration?

The Aryans migrated west from Europe to Asia.
The Aryans migrated east from Asia to Europe.
The Aryans migrated south from western Asia to northern Africa.
The Aryans migrated from western Asia to different parts of Europe and India.