The first music video played on MTV on August 1, 1981 was "Video Killed the Radio Star" by The Buggles.
Hunted for silver and gold
searched for the fabled Northwest Passage
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It created a faster way of travel for oceans/ river trading
The Union was more welcome to the immigrants because they weren't enslaving people. The south had a steady group of people coming in, just for slavery.
Answer:
A, the invasion of the Mongols.
Explanation: