It’s d!! i have just done this question a couple hours ago and it was correct! :D
People needed food to eat from the farmers. Without food people could starve.
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.
2: McCarthy spent almost five years trying to expose communists and other left wing "loyalty risks" in the us government
Thurgood Marshall was the Court's 96th justice and its first African-American justice.