it was called the Mayflower
People traveled freely between east and west Germany.
The sudden end to the slave economy would have had a profound and killing economic impact in the South where reliance on slave labor was the foundation of their economy
Australia is a Federal Country. The country is known to have a powerful central government, and has states/provinces around it that are provided with sufficient self-rule. However, it's still the central government that rules above all matters in Australia.