The answer would be obeying the law. It is required in democracy, while volunteering, reading the news, and voting are not required.
<span>Mali
</span><span>Congo
</span><span>Aksum
Kush
Luba
</span><span>Nubia</span>
Answer:
Both Set up government structure.
Explanation:
Time-study analysis
Computer-controlled robotics,
GPS device,
assembly lines
