According to the Preamble to the Constitution, What Is the Central

According to the Preamble to the Constitution, what is the central purpose of representative government?

A) to govern the United States and its citizens with authority and dignity
B) to guard and protect the fundamental rights and freedoms of its citizens
C) to establish a set of institutions and create a set of standards over them
D) to create and execute the laws and policies of the United States