Answer:
The alliance system
Explanation:
German government's guarantee to offer aid to Austria-Hungary, and Russia's danger to counter if Austria-Hungary attacked Serbia made the alliance together framework and instrument for animosity. As proven by the evidence, the hostility between certain powers was uncontrollable therefore causing the outbreak of WW1.
Answer:
Oñate set up headquarters among the western Zuni Pueblo and awaited the arrival of his two nephews from the east. En route to meeting his uncle at Zuni, Juan de Zaldivar reached the Acoma Pueblo on December 1. This highly-fortified pueblo, also known as Sky City, sat atop a 357-foot mesa of sandstone.
Explanation:
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I think the answer would be b