Answer: Barack Obama has declared his position on many political issues through his public comments and legislative records and he is working to build a country and an economy. For months, nearly every news story about Obamacare concerned problems with its website.
B.
the US Interstate Highway System
The correct answer is B) No historians have written about the era that preceded the ancient era.
The option that could be a reason why humans know very little about the time before the ancient era is that no historians have written about the era that preceded the ancient era.
We are referring to what is cold prehistory, the time where events occurred before the existence of written records. Historians write what they can research or interpret written records from the past such as the clay tablets of Sumer-Mesopotamia or the Egyptians glyphs due to the Rosetta Stone. But without written records, all is speculation, that is why humans know so little about prehistory.
There are scientific sources that affirm that communism is the extreme form of socialism, others affirm that after the Second World War, socialism appeared as a transformed form of communism.
Now, in terms of the economic focus of both we have;
COMMUNISM:
<em>The goods of production are handled by all, that is to say that the concept of property within the goods of production is annulled.
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<em>The production is related only to meet human needs, without the need for money.
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<em>Look for the condition in which material abundance exists.
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SOCIALISM:
<em>The means of production are from public companies or cooperatives.
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<em>Individuals are compensated according to the principle of individual contribution.
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<em>Production can be coordinated by economic planning or economic markets.</em>
