Answer to Question 1Peter Singer is considered the founder, and his publication was titled Animal Liberation.
Answer to Question 2A factory farm is a farm where chickens are kept in cages and veal calves in crates.
Alternatives to factory farms include keeping cattle on pastures or on open ranges, using turn-aroundstalls
for sows, using free range systems or group housing for sows, and barns and free range for chickens.