To make himself sound better
The three components of a scientific argument are:
1- THE CLAIM
The claim is a conclusion achieved that answers the original question.
2- THE EVIDENCE
The evidence is used to support the claim. It has to be sufficient, correct qualitative, quantitative and appropiate.
3- THE REASONING
The reasoning is the part that links the claim with the evidence, showing why the data correctly supports the claim made at the begining of the process.
The correct answer is A. The New Deal.
It was a program conceived by Franklin Delano Roosevelt, the president at that time, and it brought a number of social reforms that helped stop American poverty.
Mammals (Mammalia) are a class of vertebrate homeothermic amniotes (of "warm blood") that possess milk-producing mammary glands with which they feed the young. Most are viviparous (with the notable exception of the monotrematas: platypus and echidnas). A clear example of a mammal is man and his best friend, the dog.
This should not be included in the notes, because it is scientifically approved that mammals have the capacity to produce milk and give this food to their young, which is vital for humans or dogs as in the example