4. daquan is reading the following text selection but isn't sure what the text's purpose is. read the text and select its purpose.

on 1 july 1983, in a dramatic four-three decision, the high court of australia ruled to stop the damming of the franklin river. it brought an end to a protracted campaign that had bring down two state premiers and a prime minister, as well as overseeing the rise of a new figure on the political landscape – the future founder of the greens, bob brown.

a. persuasive
b. informative
c. entertaining
d. the text has no purpose.