Answer:
B, Hydraulic Mining.
Explanation:
This is a rare type of mining that uses high pressure of water to move rock sediments.
This type of mining is used in mining for kaolin, coal, tin or gold. The water here is used to remove whatever is been mined.
The role did warfare play in the various nineteenth-century nation-building efforts is w<span>arfare was glorified led to nationalism and a common identity.
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<span>The correct answer is the Navigation Acts. Basically, the Englishmen and the King wanted to create a monopoly over the colonies' trading because they wanted to become more rich. They made the acts to prevent the colonies from trading with France and Spain and others who they didn't think of as enemies.</span>
