As a result of the battle of zama carthage gave what to rome.

AS a result of the battle of zama, Carthage gave Spain to Rome

Actually, Carthage had a pretty solid change to defeat Rome if Hannibal wasn't betraying them. In the end, Carthage's soldiers in spain was massacred and it fell into the hand of Rome 

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Communists believed that wealth should be owned by the state.

Explanation:

During the Cold War period, the communism spread out around the world. Many countries from multiple continents found the communism very appealing, and with the support of the Soviet Union they managed to fend off the Western countries in their attempt to stop this process. Most of the countries that adopted the communism did so through revolution and military conflict. Such countries were:

Vietnam

North Korea

Cuba

Venezuela

Cambodia

One of the main things in which the people that adopted the communism believed was that the wealth should be owned by the state. This was due to the goal of making everyone equal, including by wealth, and that by controlling all of the economy the government will be able to do so. Unfortunately for the people though, this didn't turned out as they hoped and believed it will, but instead resulted in few people controlling almost all of the wealth, while all the others lived in poor conditions, often struggling to survive.