The period that started 4000 b.c. is important because it is the period when the earliest civilizations flourished and inventions were made. Earliest known civilization arises in Sumer (4500–4000 B.C.<span>). Earliest recorded </span>date<span> in Egyptian calendar (4241 B.C.). Hope this answers the question. Have a nice day.</span>
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I think it's the second one
Early Roman alphabet is the answer.
Answer:Thomas Jefferson called his election "the Revolution of 1800" because it marked the first time that power in America passed from one party to another.
He pledged to govern based on decentralized government and trust in the people to make the right decisions for themselves.
The election confirmed the paramount importance of a two-party system in American politics.
Thomas Jefferson was an American statesman, diplomat, lawyer, architect, and Founding Father who served as the third president of the United States from 1801 to 1809.
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