People purposefully trekking in a straight line on a tundra from Siberia to Alaska<span>, as if there was some destination on the other side and the only way to get there was to follow the leader, one behind the other.</span>
It would be: 3/10 * 500 : 7/10 * 500
150:350
Answer:
B: The railroad increased trade by making shipping cheaper
Explanation:
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