Strong arguments can be given as to why encryption tools are needed to safeguard communications in cyberspace, yet these tools can be used by terrorists and criminals to protect their communications in cyberspace. (a) In the wake of September 11, can a case be made for not allowing ordinary users to employ strong encryption tools in Internet communications? (b) Can we still claim to live in a free society if plans for government interception of email communications, as provided for in the Homeland Security Act (http://fl1.findlaw.com/news.findlaw.com/hdocs/docs/terrorism/hsa2002.pdf), are be implemented? Please elaborate (beyond a yes or no answer) and provide your “theoretical” rationale in support of your responses. (comprehension)

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Describe the effects of the economic crisis started in 2008 in Brazil
In your presentation you should answer the 5 questions using 1100 words.

1) Describe graphically the trend of macroeconomic indicators: GDP, inflation and unemployment
2) Calculate the growth rates of these indicators
3) Explain the observed trends and relate it to contextual factors
4) Use the circular flow model to relate the different indicators
5) Present a hypothesis of government intervention to face the economic downturn and use the circular flow model to forecast the effects of such a policy on the markets and agents involved and on the different macroeconomic indicators.

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