D. mestizos and American Indians
The most important way in which the greeks influenced American democracy was by allowing citizens to participate in government.
All members of society both rich and poor except for women were able to participate in government. Ancient Greece was a model for the U.S. government, but the founders left a few things out.
Very significant aspects of the American political system (from popular referendums to secret ballots to jury duty) derive from ancient Greek precedents.
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.
A) Messiah, the word roughly translates to savior. This is because of how he sacrificed his life for humanity.