Answer: He served as president of brazil, but he Promised to promote economic growth and maybe fix combat corruption and inefficiency.
He also had possible involvement in the Petrobras scandal, which centred on a kickback scheme at Brazil’s huge majority-state-owned oil company.
Explanation: read from news article
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The best answer is C
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Two push factors are:
Unrest in a country, war is always on.
Another reason is that unemployment is very high so they can't find work.
