Freedom of speech was restricted during World War I.

It passed the Espionage Act of 1917, which has been described as an “overt assault upon First Amendment freedoms.” Congress passed an amendment to the Espionage Act  called the Sedition Act of 1918 which further infringed on First Amendment freedom

answer; the confederacy could afford to move a large number of prisoners hundreds of miles but could not afford to fee and house the prisoners;

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your welcome.