PLEASE HELP Been stuck on this

Which of harriet martineau’s books is a foundational treatise on sociological data collection?

Mens rea is a latin term that means guilty mind and refers to the concept of whether or not a person intended to commit a crime. why is mens rea considered a key component in many types of crimes?

Which answer best describes the u.s. national road? it ran from atlanta to baltimore and followed the railroad. it ran from new york to chicago and was made from wooden planks. it ran from massachusetts to ohio and ran parallel to the canal system. it ran from maryland to illinois and was made using macadam construction.