Bandwagon advertising uses a group mentality to try to convince individual consumers that a product is worth purchasing
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Relating these to Australian slang words, if "banger" relates to a sausage, then "cocky" would be short for a cockatoo. A cockatoo is a bird that is a native to Australia. Though "cocky" may also mean someone who is overconfident in a bossy way, seeing as how banger is used as a slang word, cocky as a cockatoo is more fitting.
Folklore can be described as the dissemination of any type of information through oral communication or through leading by example. This information will represent the collective ideas of a certain group of people and can be transmitted through mediums such as literature or knowledge. Nowadays the world has morphed into a technologically advanced sphere where all information can be acquired at the touch of a button. This however doesn't change the definition of folklore, it only changes the medium through which we share the information.
The two that apply for the events leading up to the removal of Creeks and Cherokees in Georgia is a) the Treaty of Washington and d) the addition of Florida as a United States territory.