I think the answer is A. I am not 100% positive though.
A Laissed-faire is a travel document issued by National Governments and sometimes International organizations such as the United Nations, International Red Cross or the European Union.
The Calender is based on the farming seasons, however, the Egyptians noticed that they need a few more days to fit the seasons, So the calendar is important Egyptian achievement because they added five days, holidays to thank gods, and they invented 365-day calendar.
His innovations as the phonograph, the incandescent light bulb and one of the earliest motion picture cameras. He also created the world's first industrial research laboratory.
