Answer:
A medicine or other substance which has a physiological effect when ingested or otherwise introduced into the body.
Those forms of entertainment were very popular in the 1930's because in the 1930's thats when the Great Depression was still going on so all of the unemployed people during the Great Depression wanted to at least have some fun without having to spend a whole lot of money.
Indigenous peoples in Canada, also known as indigenous Canadians or aboriginal Canadians, are the indigenous peoples within the boundaries of present-day Canada.