Answer:
White people in america didn´t see them as humans, so that allowed them to use them as slaves. This view of them being non-human allowed them to use them as tools and sell them like animals.
Improvement in medicine and science, this helps us live longer and therefore results in the birth of more children.
The invention that effectively ended the era of the "long drives" of the late 19th century was barbed wire, which served both as a barrier and line of defense.
<h3>What is barbed wire?</h3>
Barbed wire is a special type of barrier composed of short clusters of short sharp spikes that limit the pass or movement.
These wires (barbed wire) can be used to separate or delimit a given field or even have functions associated with defense.
In conclusion, the invention that effectively ended the era of the "long drives" of the late 19th century was barbed wire, which served both as a barrier and line of defense.
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Answer:
identifies the political legitimacy,