Imagine that a country is fighting a war abroad: they need to have supplies sent to them. Those supplies need to be produced somewhere, and they're usually produced by the people back home, who also contribute to the war effort, but are not directly fighting. Those people are on the home front: at home but fighting.
For Canada, the home front would be in Canada.
Answer: A
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Of all the Ethnic groups in Russia and the Eurasian republics, the B) Slavs are most numerous.
B. They allowed groups such as the Ku Klux Klan to terrorize blacks.
The Ku Klux Klan (or KKK) was a secret organization of white men (typically) that masked themselves and terrorized blacks. They burned down black towns, murdered and lynched blacks, and raped black women.
The government didn't try to stop them.
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To protect (we the people) from anarchy and chaos