Men wore a simple loincloth for clothing.
this is not a part of their culture.
Answer is:
The speed of the cart is 120.5 cm per sec.
Well in the case of the Mongols for example, being nomadic meant that their armies were highly mobile and adaptable. Conquests and long distance travel to conquer a civilization wasn't as difficult because it suited their nomadic lifestyle. They often adapted certain military technologies from the civilizations they conquered as well.
The answer would be A. Child labor laws had been passed to keep children from working in mines and factories