1)
While
preparing for Paris Summit, the spy airplane of America was attacked by Russia
in its area.
2)
Russia
got upset due to the spy activity of America.
3)
Russia
charged America that it was a sort of disturbance in peace.
4)
America
justified it by telling that they wanted to know the Russian secret preparation
for arm forces.
5)
The
Paris Summit got over on 19th May 1960.
6)
In
this Summit, Russia condemned America by raising the issue of U2 Airplane.
Hence, due to the
failure of Summit the cold war became more severe.