There are two necessities for an industry to be competitive, first for an industry to be competitive, the industry must have numerous producers that does not have a large market share, second, an industry can be considered competitive if its consumers regard the products of the producers as equivalent.
The most logical place in Europe for the D-Day invasion was France's Pas de Calais region, 150 miles northeast of Normandy and the closest point to Great Britain across the English Channel.
Blockades blocked the south from getting any supplies or weapons. They were surrounded and could not keep a fair fight. Lee knew this, thus leading to the surrender at Appomattox Courthouse.
The answer is B. In a federalist system of government, like in the US, the powers are divided between the national and state governments, meaning this that each state has authonomy in certain degree to implement and manage their own laws, as long as this does not affect or contradict the Constitution. This system of government was implemented in the XVIII century as a way to ensure the individual liberties of americans.