About the end of 2nd century B.C some unusual upheavals in the Central Asia let loose series of human floods that brought about after-wave of invasions into Indo-Pak Sub-continent, First invasion was made by_______?

About the end of 2nd century B.C some unusual upheavals in the Central Asia let loose series of human floods that brought about after-wave of invasions into Indo-Pak Sub-continent, First invasion was made by_______?

A. The kushanas
b. The Sakas
c. The Bacirians
D. The Parthians
Submitted by: WIQAR AHMAD