Why didn't early portuguese and dutch explorers decide to create settlements in australia?           a. it was already claimed by england.   b. the dutch and portuguese had a policy of creating no settlements.   c. local natives successfully defeated dutch and portuguese forces.   d. they didn't think the land was suitable for settlement.

The explorers decided not to create the settlements  because: D. They didn't think the land was suitable for settlement.
They came into this conclusion because of reseraches such as:
- It is hard to build a formidable irrigation system in the land
- The land contains a lot of dangerous animals
- A lot of small blocks that hidden beneath the ground, et.

What he said

If i remember correctly it was caused by people hurling bodies at a country for some reason and them they all became infected