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 helped 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.