One reason why the U.S govt forced the cherokee to give up there land was because the U.S wanted to move west towards califonia because there was gold there during the ''gold rush''.to answer the second question yes the process did kid of help because it created the suburbs for the settlers that moved west over time.
Dubbing
Explanation:
<u>It is a common technique used in cinema to paste one person's voice over another to produce a desirable effect including the emulation of a proper voice for a specific role as is the case here.</u>
This was done to be as authentic about Welles' voice as was possible and not to break the immersion of the audience watching the film and familiar with Orson Welles.
