Answer:
e. Only in river valleys .
Explanation:
Why? Agriculture needs the proximity of water and the development of methods of irrigation in order to prosper. Agricultural societies were the basis of the first civilizations. In the Middle East, in China, in Egypt, all the first great civilizations rose and flowered in valleys with rivers: the Eufrates and the Tigris, the Yellow River and the Yangtze, and the Nile.
Answer:
90%
Step-by-step explanation:
You have to turn that 50 into 100%. 50 x 2. So multiply 5 by 2. 5 x 2 =10% Subtract 100% by 10%.
A problem could've been that the Soviet Union took more than they should've. This could cause tension and lead to a war.
