How was transportation in the 19th century linked to the concept of Manifest Destiny?

ATransportation improvements such as canals enabled crops to be traded between states more readily , which strengthened ties between North and South

B.Transportation improvements such as canals led to more exports of perishable goods, which results in extending U.S influence to Canada, Asia, and South American

CTransportation improvements such as refrigerated cars allowed for crops to be shipped without spoilage, which fed the Forty-Niners during the gold rush

DTransportation improvements such as the railroad led to lower prices and easier shipping, which allowed people to expand to the West Coast more easily.

Why did the Emancipation free slaves only in confederate states?

A.President Lincoln did not have the authority to remove property from U.S. citizens

BPresident Lincoln did not have the authority to naturalize Northern freedmen into citizens

CNorthern legislature had already passed legislature blocking emancipation

D.Northern legislature had already passed Emancipation Proclamation


what was the main occupation for people arriving in California and Oregon in the 1850's


A.Fruit farming

B.Gold mining

C.Salmon fishing

D.Timber harvesting