Answer:
Retrieval
Explanation:
Retrieval set reffers to the portion of knowledge set recalled at a particular point of time.
Seems like the Indu river.
Antitrust laws generally promote (or encourage, make possible, increase support, etc) competition - they work against establishing monopolies
Patents limit (decrease, make impossible, etc,) competition - they establish a monopoly on a certain good or service.
As has been the case historically, the most densely populated parts of the United States are east of the Mississippi River. Rings of decreasing population density radiate out from the major urban centers of New York, Philadelphia, and Washington along the East Coast.
