The most significant thing about Obama's election in 2008 was that he was the first black president to ever hold the presidency.
Protective tariffs were a key element of the American system. These are tariffs that are enacted aiming to protect a domestic industry. Protective tariffs seek to make imported goods cost more than equivalent goods produced in the country, leading to the rise of sales of domestically produced goods; supporting local industry. Tariffs are also imposed in an attempt to increase government revenue, or to reduce an undesirable activity.
Answer:
Because it concluded Lee Harvey Oswald was the sole person involved in killing president Kennedy.
Explanation:
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