Answer:
prices are mainly decided by the supply and demand. However it must be noted that general economic conditions, consumer preferences, substitute prices and government activities can indirectly influence the prices.
Explanation:
Answer:
Gutenberg's invention was profoundly important. It launched a revolution in printing. It allowed manuscripts and books to be mass-produced cheaply. It eventually helped increase literacy throughout Europe because more people had access to literature.
In the early 1900s, African Americans wanted to leave the south because of poor economic conditions (share cropping, etc) and racial discrimination. Slavery had just been abolished in 1865, so people hadn't quite accepted the idea of racial equality. It can be argued that we still haven't.
This is tough but I think it is 2 and 3
