Can somone help me with my homework for history ?

1) Why was fast food not availiable or nesessary in Canada prior to the 1950's ?

2) Originally the Big Mac was served in a paper wrapper. During the 1980s the Big Mac was served in a pressed polystyrene container. This kept the food warmer but there were environmental problems associated with production and disposal. What does the return to a paper-based container in the 1990s say about changing Canadian social values ?Can somone help me with my homework for history ?look it up on google

jp cycles