S1:In 1945, America faced two powerful enemies in the world war. S6 : This was…

S1:In 1945, America faced two powerful enemies in the world war.

S6 : This was the weapon that ended the second world war.

P : America found conventional weapons insufficient to crush them.

Q : These were Germany and Japan who posed strong opposition to America.

R : The result of this was the production of the atom bomb.

S : The government ordered the scientists to conduct research and produce a new deadly weapon.

The proper sequence should be