Hope the attached answer helps
The executive branch enforces laws, legislative branch makes the laws, and the judicial branch interprets the laws
Answer:
The Federal Government
Explanation:
The ruling of Gibbons v. Ogden, lead to only the federal government being able to regulate interstate commerce on highways and establish laws that can supersede the ones that a state has established.
Central pacific railroad built the transcontinental railroad eastward from Sacramento California by hiring 10,000 chinese laborers to work on the tracks
#3. A and C
#4. A.
I'm not too sure if this is correct but I hope this helps.