What effect did the growth of railroads have on the nation’s urbanization?

The steel highway improved the lives of millions of city dwellers. By the 1890s, the United States was becoming an urban nation, and railroads supplied cities and towns with food, fuel, building materials, and access to markets. The simple presence of railroads could bring a city economic prosperity.

Explanation:

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i believe the answer is a

b. after i get up in the morning,

explanation:

after is a subordinating conjunction that introduces a time clause. time clauses are dependent clauses used to indicate when something happened.

the clause "after i get up in the morning" tells when the action in the main clause (drinking a cup of coffee) happens:

"after i get up in the morning, i drink a cup of coffee." it is the most logical choice of all.