The end of the Roman Republic was attributed to the instability of the Roman economy and conflicts within the military and the ruling families. The Republic should have moved towards absolute democracy instead of relying on the royal families to govern the country.
Hey there! I am currently taking U.S. Government, so, I know that the answer is A: Concurrent powers!
Its powers that the state AND federal government share! Some examples would be the ability to build roads, power to tax, establishing courts, and borrowing money!
Hope this helps!
to help create well-paying jobs for more people
to create railroad networks that spanned the entire country