Asserting

declaring
Bluff pretend to be strong or confident to gain an advantage
Commonwealth Government’s financial
agreements legislation
In 1928 the Australian government agreed to pay the interest due to bondholders overseas. Each state was expected to pay the federal government.
Conscience a moral sense of right and wrong
Contrary opposed in nature or tendency
Controversial debatable/causing differences of opinion
Creditors a person/persons or company to whom debt (usually money) is owed      
Declined refused
Debacle disaster/collapse
Default failure to pay
Denounced not approved of
Defiance refusal to obey
Dissent disagreement
Farce pretence, silly procedure      
Friction conflict

Forthcoming

about or likely to happen

Governor-General the representative of the Crown in the Commonwealth of Australia
Great Depression A period between 1929 and 1934 of severe and international world economic downturn. People were left without a job, money or food because of it.
Gruelling extremely demanding, severe or tiring
High Court a federal court that hears some matters at first instance and appeals from the Supreme Court of the states and federal courts
Humble rank of low social or political standing
Impound confiscate/ take possession of
Legislature the lawmaking body of a state or nation
Mortgage Bill a proposed law by the Lang Government to place a 10 per cent tax on all mortgages
Niemeyer plan Sir Otto Niemeyer was a financial adviser from England who advised the Australian government to pay interest on their overseas debts. To do this, he advised that costs had to be reduced in all sectors of the Australian economy.
Reduction making smaller or less
Reforms changes meant to be for the better
Rejected refused to follow
Resignation the act of giving up office
Revenue the income of a government from taxation, excise duties, customs, or other sources, appropriated to the payment of public expenses
Steamer a ship propelled by steam
Suspension postponement or putting off until a later date
Unprecedented never happened before
Validity soundness
Vituperative to address with abusive language
REFERENCES
Hogan, Michael and Clune, David. (Ed.), 2001, The People's Choice - Electoral Politics in 20th Century New South Wales Sydney, Parliament of New South Wales (University of Sydney)
Hughes, J.M., Mitchell, P.A. and Ramson, W.S., 1996,The Australian Concise Oxford Dictionary (2nd edition), Oxford University Press