Why were goods rationed in the United States during World War II? US government officials wanted to collect these goods to use for themselves.
Limits were needed on goods that were in short supply.
US companies wanted to make sure demand for goods was high.
The government needed to store these goods to protect them from enemies.

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.