"C. <span>With a lot of daily practice" would be the only option from the list that is a sentence fragment, since there is no subject and it is unclear what exactly is being referred to. </span>
Roosevelt supported the rebels because Columbia threatened to attack US workers if began on a canal.This attack created a sour relationship between Columbia's reigning government and the united states government. Because of this, Roosevelt provide the rebels with monetary funds and weapons in order to help them to override and restructure current government.
Many people were mining for gold, silver, and oil during the 1800s to gain wealth and fame. So there were definitely many miners during the 1800s. Many people needed to put their valuables in banks. So there were also a lot of bankers, doctors, lawyers, ministers, and many other "White Collar" jobs.
It was important because it enabled countries to make steel cheaply and this was then used to make better tools and better machinery and it enabled the industry to prosper. This forced them to become imperialistic in order to get more resources to increase the scope of the revolution even more.
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