What can you infer?

The native people of Australia successfully resisted European colonization efforts.
European interests led to destruction of native cultures in Australia.
The positives of European colonization outweighed the negatives in Australia.
All of these statements are true.

You cannot infer that all of these statements are true. However, based on the given statements, you can infer that the native people of Australia faced resistance against the efforts of European colonization, and that the impact of European interests on native cultures in Australia was detrimental. You cannot infer that the positives of European colonization outweighed the negatives in Australia as this statement contradicts the previous statement about destruction of native cultures.