C. The system kept farmers in poverty.
Mesopotamia. But other river civilizations had silt also.
Answer:
<em>A</em>
Explanation:
In World War II, rubber had many uses, including building vehicles and planes for the war effort, and was scarce since it is mainly found in South America, central Africa, and Southeast Asia.
Answer:
○ The Cold War was betweenthe USA and the USSR because these were the two powerful countries left after world war ||