Either
"Success will become ever more elusive"
or
"The elusive thought he had had moments before"
African Americans in the Civil War faced many problems. They were usually treated differently and had restricted roles. This doesn't mean that they didn't fight just as bravely as the other solders. Many of them died nobly for their cause.
Answer:
The Pacific Railroad Act stipulated that the Central Pacific Railroad Company would start building in Sacramento and continue east across the Sierra Nevada, while a second company, the Union Pacific Railroad, would build westward from the Missouri River, near the Iowa-Nebraska border
Explanation:
The answer would choice C, between the Tigris and Euphrates rivers.