During the World War II the industry and the manufacturing of weapons by the war production plants was a major enterprise and the need for a trained security increased exponentially. The on site security was needed to prevent theft, sabotage and espionage. The security companies even started training their own security staff which was well trained and their training in time was close of that the police got. Some companies even had their own private investigators among their number.
The great age of conquest had ended a few decades before. Three legions had been destroyed in the Battle of the Teutoburg Forest by rebellious German tribesmen in 9 AD, and the emperor Augustus concluded that the empire was overextended and called a halt to new wars of conquest.
Explanation: this will help you.
The answer to this one is B
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Americans were unfamiliar with the territories of Vietnam and ended up having to search manually, house by house, allowing the Viet Cong to dig escape tunnels and snipe American soldiers.
