Answer:
D: international efforts to reduce the effects of climate change
Explanation:
Quizlet should help.. look on there.
Answer choice A
In a direct democracy, everyone gets an individual vote. No leaders or nothing
<span>The empire grew rich from the trans-Saharan trade in gold and salt. This trade produced an increasing surplus, allowing for larger urban centers. It also encouraged territorial expansion to gain control over the lucrative trade routes. Hope this answers the question.</span>