False, the conclusion is a summary of the speech
The correct answer is: Willingness to defend the country.
On this excerpt, Roosevelt says that Americans need to embrace their patriotism and put it ahead of their pocketbooks, paying a greater amount of money in taxes in order to pay for a defense program, which ultimately means that they will be defending the country if they support this taxation.
They use it to make their study more accurate by using their findings as evidence, which deem to show proof for their theory.
This is a infinitive because it can continue
