Answer:
D. Guidelines for how many people are needed for an area to become a state.
Explanation:
<span>They limited the amount of gold available for trade, increasing its value.</span>
Answer:
A, because of the cataracts.
Explanation:
The cataracts made the river too dangerous to travel in as the rock filled rapids would destroy the boat, and destroy them.
Can you make these question a little more clear so I can solve it.