The correct answer is A. The Founding Fathers realized establishing a federal government would help protect America.
Explanation
According to the preamble presented by the founding fathers of the United States to establish a federal government, it can be affirmed that they realized that establishing a federal government would help protect the United States because in the preamble they emphasize the union of the people, a perfect, collaborative union, in which everyone has the same goals. Likewise, justice for all citizens and security contributes to the general welfare, prosperity, and freedom of the country. So, the correct answer is A. The Founding Fathers realized establishing a federal government would help protect America.