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How were the european systems of mercantilism and capitalism similar during the 18th and 19th century

The battle of sabine pass is important because? a) it was a stalemate between union and confederate armies. b) it resulted in the largest confederate casualty in the war. c) it marks the failed attempt of the union army to invade the confederate state of texas. d) it was won by the union soldiers and marked a turning point in the western front of the war.

The information box says that the han added 4,000 miles of wall.refer to the mileage scale.how can this be true?