The correct answer should be the third one you listed. The "current drag" then is a device that is used in order to measure the sub-surface currents. This device and the measurements it provides are extremely important for the field of oceanography which studies the aspects of the oceans both the physical and the biological ones.
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It was "nationalism" that replaced the feelings of sectionalism in the early 1800s, since this was a time of great physical and emotional growth for the US, in which the country started to feel more like a single "unit".
<span>Woodrow Wilson set out to aid a League of Nations to the Treaty of Versailles. The primary goal of The League of Nations was to promote peace. It aimed to prevent war through collective disarmament and security and to settle disputes by arbitration and negotiation.Franklin D Rosevelt
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