According to the substitution effect, why do changes in price motivate consumers to buy relatively cheaper substitute goods?

A. they move away from products that are now relatively more expensive
B. they move away from products that are now relatively less expensive

answer; the confederacy could afford to move a large number of prisoners hundreds of miles but could not afford to fee and house the prisoners;

answer; extroversion;

answereruption of molten material; magnetic stripes in the rock of the ocean floor; the age of the rocks themselves;