Rabbits became a menace in australia because:

they caused a disease in kangaroos
their rabbit holes in the ground caused broken legs in animals
they multiplied out of control
they carried a disease to newborn babies

C. The multiplied out of control. European rabbits are invasive in Australia. They reproduced so rapidly with little constraint, they quickly took over the continent, resulting in millions of dollars worth of damage to crops.

true, i don't really know what you're asking but from the info you provided im guessing the answer is true.

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