A student is preparing a timeline about Australia’s population estimates. Which entry should they add for 1967?

A student is preparing a timeline about Australia’s population estimates. Which entry should they add for 1967?

• AAboriginal and Torres Strait Islander peoples were included in official estimates of the Australian population after a Referendum.Correct
• BAustralia became a federation and formed the Commonwealth of Australia.
• CThe first national parliament was opened in Canberra.
• DTorres Strait Islander peoples were excluded from all future population estimates.

The fact identifies 1967 as the year of the Referendum after which Aboriginal and Torres Strait Islander peoples were included in official estimates of the Australian population.