The phrase "whole sweep" means capturing or including everything or everyone within a particular area, category, or range. It refers to a thorough or comprehensive coverage or examination. Full definition
Routines, he insists, should take into account seasons as well as minutes and hours, and people should plan with the whole sweep of a year's changes in mind. (inc.com)
In Obsolete Objects in the Literary Imagination, he devises an elaborate framework to categorize passages from the whole sweep of Western literature: poems, novels, short stories, plays, essays, memoirs, and letters - whether in Latin, Greek, Italian, French, Spanish, English, German, or Russian. (firstthings.com)
Here Robert Barron certainly overlaps with and touches upon a key element in the Faith Movement's presentation of Salvation History, seeing the whole sweeping panorama of world history as orientated towards the Incarnation, and of course, in a very particular and guided way, the history of Israel which was to be the custodian for mankind of God's self - revelation and of the promise of the Messiah, the Lord of creation. (faith.org.uk)