Aboriginal society remained mostly unchanged until Europeans arrived in Australia in the 1600's.
It wasn't until the arrival of Europeans (on any continent) did the native people begin to change, taking on and adopting European forms of society.
There are different kinds of theory. The doctrine of preemption stipulates that if a state tries to pass a law that conflicts within an area that has federal legislative jurisdiction it will be found unconstitutional.
<h3>What is the doctrine of preemption?</h3>
The doctrine of preemption is known to be a theory that is based on the Supremacy Clause. This state that the federal law will preempts state law, even though there is conflict arising due to the laws.
By the above, a federal court does need a state to stop some behavior it believes does interferes with, or may be in conflict with federal law.
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brainly.com/question/10270212
C probably if not then sorry
Answer:
A secondary Source.
Explanation:
The history book is written by a person who heard of the history events. He/She was not Physically there.
