match each consequence with the world war that brought it about.
borders of europe changed radically
ww1 or ww2
treaty of versailles failed
ww1 or ww2
large populations were displaced or migrated
ww1 or ww2
nationalism surged in colonial colonies
ww1 or ww2

Keshav Gangadhar Tilak

Explanation:

Bal Gangadhar Tilak, born as Keshav Gangadhar Tilak, was an Indian nationalist, teacher, and an independence activist. He was one third of the Lal Bal Pal triumvirate. Tilak was the first leader of the Indian Independence Movement. The British colonial authorities called him "The father of the Indian unrest."