Arrange the following in chronological order
i. Soviet invasion of Afghanistan
ii. Fall of the Berlin wall
iii. Disintegration of the Soviet Union
iv. Russian Revolution
1
i, ii, iii, iv
2
ii, iii, iv, i
3
iv, iii, ii, i
4
iv, i, ii, iii
Arrange the following in chronological order
i. Soviet invasion of Afghanistan
ii. Fall of the Berlin wall
iii. Disintegration of the Soviet Union
iv. Russian Revolution