Answer:
Huge tunnels were built for sewer lines.
New aqueducts brought fresh water from hundreds of miles away.
Broad boulevards were constructed.
Explanation: I just took the test and I had two questions that were similar to that and those were the answers that were correct.
This i do not know sadly but i did some research for you and google says and i quote
"When Virginia declared its secession from the Union in April 1861, Lee chose to follow his home state, despite his desire for the country to remain intact and an offer of a senior Union command. During the first year of the Civil War, Lee served as a senior military adviser to Confederate President Jefferson Davis".
Since you provide no options, i assuming it would be : National spending
It's a total calculation of the amount of goods/services that being consumed by a nation within a specific period (usually calculated every year)
hope this helps
Branch Rickey felt that his character was just as important as his baseball skills. Jackie Robinson was chosen to "break the color barrier" and he would need to be a strong individual and be able to avoid confrontation. He knew that Jackie Robinson would have to endure a lot of hostility and insults.