Answer:
True!
Explanation:
The Manhatten Project was created by the government during ww2 and the group successfully created the first atomic bomb.
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.
Learn more about barbed wires here:
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<span>B. The results of the poll change voters' opinions.</span>
<span>Each candidate had a solid regional base but none had the support of all regions.</span>This presidential election witnessed the major political party to run several presidential candidates all from different regions with the hope that, they would be popular to defeat the Democratic bearer, Martin Van Buren in their regions. The strategy failed and Van Buren won the presidency.
