They stressed the direction of all human activity toward the goal of increasing the power of the ruler and the state.
The 2010 Census enumerated 308.7 million people in the United States, a 9.7 percent increase from 281.4 million in Census 2000. Of the total population in 2010, 300.8 million lived in 116.7 million households for an average of 2.58 people per household.
Attached below is a Railroad crossing sign.
As you can see, it is a circle.