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The _________ are the German air force.
He made great _____________ advances.
__________ is a weak strain of antibiotic.
_________________ happened in the twentieth century.
A __________ is an intense military campaign intended to bring about a swift victory.
________ history is about how groups of people have made and shared goods, services and wealth in the past.
The Tudors made many ___________.
Britain, the U.S., France and Russia were ______ during the war and were known collectively as the Allies.
The ____________ team decoded the cipher easily.
He placed restrictions on the people's movements.
___________ of new business is vital to an economy.
____________ was not used during WWI.
