D. consider the psychological principles....
Answer:
Higher birth rates
Explanation:
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The armistice with Germany was signed by Matthias Erzberger.
Answer:
B. Fiscal Policy
Explanation:
Fiscal policy is usually set up by the legislative arm of government. Monetary policies are set up by the Central bank of the country.
These policies helps in the reduction of taxes which prevents the formation of business monopolies thereby encouraging competition and more spending as a result of the vast availability of options and less worry about high taxes.