What was a major benefit of railroads? O A. Products could be shipped easily.
B. The mail could be delivered more quickly.
C. People could travel to new places.
O D. All of the above are correct.

the product could be shipped easily

Explanation:

there were some perishable goods which used to be ruined by the long travelling before the railways some people may order some products and used to receive late after the consumption time but due to the introduction of railways products are shipped easily

try this

explanation:

the federal constitution of the united mexican states of 1824 was enacted on october 4 of 1824, after the overthrow of the mexican empire of agustin de iturbide. in the new constitution, the republic took the name of of united mexican states. it was replaced by the federal constitution of the united mexican states in 1857.