People had to build more houses, find supplies, create new jobs, and have more schools and doctors.
I need to see the statements in order to answer your question.
Answer: A) Lincoln signed the Pacific Railroad Act of 1862 into law, which stimulated the construction of the railroad.
Explanation: Just took the test :)
It's A: Ghana, Mali, then Songhai
What is your question ? it is not in depth so what is it asking ?