4. why did the southern use poll taxes literacy test and grander father clauses as reconstruction came to an end

to keep African Americans from voting

hello it is $0 for apex

changes in factors like average income and preferences can cause an entire demand curve to shift right or left. this causes a higher or lower quantity to be demanded at a given price. demand curves relate the prices and quantities demanded assuming no other factors change. it is important for consumers to know this information, because it is crucial for them to know what they can afford and can't afford. i hope this .