The correct answer is B) insure domestic tranquility.
The phrase that appears in the preamble of Florida’s constitution and in the preamble of the US Constitution is "insure domestic tranquility."
The Preamble of the Florida Constitution literally reads: "We, the people of the state of Florida, being grateful to Almighty God for our constitutional liberty, in order to secure its benefits, perfect our government, insure domestic tranquility, maintain public order, and guarantee equal civil and political rights to all, do ordain and establish the Constitution.
The Preamble of the United States Constitution literally says "We, the people of the United States, in order to form a more perfect Union, establish justice, insure domestic tranquility, provide for the common defense..."