The primary purpose of the federalist papers was to
(1) justify the american revolution to the
colonists
(2) promote the continuation of british rule
(3) encourage ratification of the united states
constitution
(4) support the election of george washington as
president

I believe the answer is: (3) encourage ratification of the United States  Constitution

According to the Federalist, the initial draft of the constitution did not provide many aspects that should exist in order to fully guard's citizens' natural rights. This lead to the creation of the Bill of Rights, which later on implemented to the constitution and became the first 10 among many others amendments of the united states constitution.

he sent troops to protect the students as they entered the school.