What this also did was enshrine the idea that who were mostly were than free people, who were mostly
white, and it embedded into the Constitution.

The transcontinental railroad provided a means of fast transportation. it cut a 6 month trip into 6 days, created jobs for many people and encouraged immigration. the homestead act played a huge role in western expansion; it allowed settlers to begin a fresh start, and gave them land in exchange for their residence for up to five years and a small fee.

The answer is d) lindbergh baby kidnapping

The third one would be the answer