To discovered the natural laws that governed human behavior.
Answer:
The plough
Explanation:
The plough was an important innovation in the field of agriculture. It carried out the tasks of seeding and ploughing simultaneously
<span>Centralized federalism.
Centralized federalism is based on the concept that one central (federal) government develops all policies, and the states/counties/principalities job is to implement and interpret that policy. In this case, states rights do not allow them to decline the federal policies.</span>
<span>D is the correct answer. The Federal Art Project ran from 1935 - 1943 and helped fund visual arts in the US. It was not seen as for culture or a hobby, but for employing artists and other people working in visual media.</span>