<span>Discovering new things for the U.S. The new transportation and communication systems would bring together the the many sections of this country.</span>
Uncle toms cabin showed the horrors of slavery and and abolitionists used this as a rallying cry for their cause. It brought in new abolitionists to the cause. T also held up their beliefs and that their ideals would bring actual change.
America
The colonist had 13 colonies until they had explored and increased land
Answer:
True
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