That statement is true
When presidents are elected with popular mandate, it is very easy for the presidents to pass any laws that he/she wants because their sheer popularity would give overwhelming public support that put pressure for the opposition to conform.
Since Kennedy was elected by a slim margin, a large portion of public still oppose his policies during earlier years of his presidency. This make it easy for his opposition to limit his movement so he can't pass the policy that he wants.
The word calculus comes from Latin (Calculus) and refers to a small stone used for counting
The correct answer is <span>limited the amount of time one could receive welfare payments
Commonly it was found in history that once people managed to get welfare from the country through various programs, they would just be able to receive it for a lifetime and would not have to either work or participate in the society or anything. The act was made to prevent people from just exploiting the system if they indeed were.</span>
I did this before if I remeber its B