The answer is the last one, " Atlantic Ocean to the Pacific Ocean".
It is A- they cannot guarantee security and fairness
Answer: The answer is a need for a larger workforce.
Explanation: As cash crops meant increased economic growth for Louisiana, it also meant that a larger workforce was needed to produce these items.
Answer: Concert of Europe, in the post-Napoleonic era, the vague consensus among the European monarchies favouring preservation of the territorial and political status quo. The term assumed the responsibility and right of the great powers to intervene and impose their collective will on states threatened by internal rebellion.
Explanation: