The government limiting what people say is usually beneficial for the state during times of war or when an outside source combined with an inside one can work together to harm the country. Also, governments limit speech when it is hate speech, that is, when it promotes inequality, racism, and similar, which is a good way the government limits what people say.
Czar Nicholas II ordered partial mobilization of the Russian army on Austria_ Hungary. In 1914, mobilization was considered an act of war. Also, the reason he did this was because Russia was determined to support Serbia's cause.
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Martin Luther is known for challenging the Roman Catholic Church.
It changed when some of them entered the armed forces as medics or nurses. But the African Americans changed when Americans saw how much they wanted to fight for a country that didn't give them their freedom.
