Because a civil war is war happening within the same country, hence the literal name.
The correct answer is:
<span>(4) military authorities considered them a threat to national security.
Many of them (around 60 percent) were born in the US and no longer had any contact to Japan, and some didn't even speak Japanese, yet they were considered a threat (unjustly).
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In my opinion, it wasn’t fair. It blamed the entire war only on Germany, which caused them to have a severe economic depression and crumbled their entire nation. This is one of the reasons why Germany started WW2. Germany also wasn’t the only nation that completely started WW1, it started when a Serbian terrorist group assassinated the Archduke of Austria- Hungary.
