We do not own the earth, we share it with all forms of life. Our country is committed to protect the environment in which we live,
making it a safe place for humans as well as wildlife. Discuss the
above topic and write about it within 100 words.

The answer is b

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.