Honesty contributes to effective leadership because once someone knows you are a trustworthy(honest) person they'll trust you with almost everything. If someone in work knows your the most honest person at work or in anything else they'll go to you for advice. And lastly if your honest that will benefit you in leadership because the people your leading will know that if they don't do something right you'll tell them immediately.
The answer to your question is letter B. Huayna Capac did not establish the Inca Empire's rigid social classes. He built storehouses of food to nourish whoever was hungry. He doubled the empire's territory under his rule. He also improved roads, temples, had monumental cities and fortresses of stones.
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Obsidian is a black natural glass formed by volcanic lava. In early Mesoamerican cultures, obsidian was a major trading item used to make knives and other such tools.
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