B most likely I learned this yesterday but forgot I think its correct but we have Google for these questions
Answer:
because of adulteration which is the cheapening of products through the addition of impure or inferior products. This helped in determining what could or could not be added to food products through regulations that require use of official weights and measures.
D
A social contract is where everyone of a society agree to cooperate for social benefits.
Hope this helps!
The cornerstone was providing universal healthcare.
This was the cornerstone of his first term because it's the idea around which his entire campaign was developed. He, being a democrat, supported the idea of universal health care and tried to implement many new programs that would help people. The universal healthcare idea is still problematic however even to this day.