In my opinion i think its B, which leads to Check & Balances between the 3 Branches, Executive, Legislative, & Judicial. & it's creation to those 3 Branches as well.
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A proper noun is a noun that is used for a individual name. such as Alabama, Jessica,"The Adventures of Tom Sawyer"
Answer: embarking on pilgrimages.
A pilgrimage is a journey in search of spiritual meaning. In Christianity, the Holy Land is a particularly important site of pilgrimage, as this is the location with the closest connection to the life of Jesus Christ.
However, pilgrimages were also made within Europe to places such as Rome. Other popular sites included the Santiago de Compostela Cathedral in Spain (along the <em>Way of St. James</em>), Maastricht, Aachen and Kornelimünster (the <em>Pilgrimage of the Relics</em>) and Canterbury Cathedral (as described by Chaucer).
The answer to this question is "CONFERENCE", it is a scheduled, planned, arranged and formal meeting where attendees tackle the subject the meeting and the venue was also selected prior to the meeting. Thus, to complete the sentence we have it "following oral arguments, the justices gather for a CONFERENCE during which they discuss the case and cast preliminary votes".