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Simply changing lanes can cause:
A.  A “crack-the-whip” effect, resulting in a rollover.
B.  A trailer to straighten out.
C.  Confusion over which lane the driver is hoping to use.
D.  Other drivers to reduce their speed.
Due to the "crack-the-whip" effect caused by rearward amplification, changing lanes too quickly in a combination vehicle can result in a rollover.
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This questions is considered quite Hard

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