Answer:
e. They do not have to be fired to be considered a threat
Explanation:
Based on the sentence,
"We no longer live in a world where only the actual firing of weapons represents a sufficient challenge to a nation's security to constitute maximum peril."
I would say the answer is: e.
Charles Darwin proposed that theory looking at birds in the Galapagos islands.
What story you talking about
Historiography is the study<span> of the methodology of </span>historians<span> in developing how </span>historians<span> have </span>studied<span> that topic </span>using<span> particular sources, techniques, and </span>political<span> history toward newer approaches, especially social and cultural </span><span>studies.</span>
<span>
The North was generally "Free-Soil." This meant that they supported the
idea of wage-labor versus slavery; also they opposed the spread of
slavery into Western territories, The North was very industrial.
The South's economy was based on slavery. Southern men believed that it
was essential to their liberty to maintain slaves. The South had very
little industry and was almost entirely an agrarian region.
The Western Territories were fought over between the North and the South
for influence (whether or not they could bring slaves with them as
settlers. Look into Missouri Compromise," Nullification Crisis (when
South Carolina attempted to secede from the Union)," "Compromise of
1850." </span>