The Battle of Britain

To first eliminate the Royal Air Force and then land soldiers on England's shores (correct)

To land soldiers on England's shores and immediately attack London

To bomb British cities and then invade with soldiers

To launch a surprise attack on London with the Luftwaffe

The Enigma machine and the V-2 rocket

The submarine and the tank

The atomic bomb and the jet engine

Radar and the Enigma machine (correct)

Key to reaching the oil fields of South America from the Mediterranean

Key to reaching the oil fields of the Middle East from the Mediterranean (correct)

Key to reaching the oil fields of North America from the Mediterranean

Key to reaching the oil fields of Europe from the Mediterranean