As a result of the attack by Natives on Oñate's men at Acoma, a. 10 men, including Oñate's nephew, were killed.
In 1598, an incident occurred where:
The incident occurred in Acoma and infuriated Oñate such that in the following year, the Spanish attacked Acoma and slaughtered around 800 Natives.
In conclusion, option A is correct.
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