What was significant about the battle of wounded knee

The significance of the battle at wounded knee was that it was the last conflict in the war between the US military troops and the Lakota Sioux Indians during the Indian Wars in the late 19th century.  The battle was fought at Wounded Knee Creek in South Dakota in December of 1890 and around 300 people were massacred including women and children.

so, based on the research i've done. the u.s. government were always on a wild goose chase just to take down castro. he then retired his trone to his brother raul in 2008 due to some health issues. so it's obvious your answer would be:

castro had no allies from which he could receive aid.

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                                                    -wolfiewolffromsketch