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>
You might want to choose to go from panama because there was a land connection during 1849. also, there would be less traffic that way.
Answer:
D. cut off the South’s supply routes.
D. isolate three Confederate states.
C. It gave the North a military advantage.
C. it was the South’s major transportation link.
Explanation: