I believe the correct answer is A.
Answer;
-Bering Strait
Explanation;
-The Bering Strait is a waterway that separates Russia from North America. It lies above the Bering Land Bridge (BLB), also called Beringia a submerged landmass that once connected the Siberian mainland with North America.
-To the north the Bering Sea connects with the Arctic Ocean through the Bering Strait, at the narrowest point of which the two continents are about 53 miles (85 kilometres) apart. The boundary between the United States and Russia passes through the sea and the strait.
Answer:
The North had geographic advantages, too. It had more farms than the South to provide food for troops. Its land contained most of the country's iron, coal, copper, and gold. The North controlled the seas, and its 21,000 miles of railroad track allowed troops and supplies to be transported wherever they were needed.
Explanation:
"Both civilizations sprang up <span>in locations with water sources" would be the best option from the list, since water during this time was crucial for the development of civilization. </span>
