Immigrants came for jobs money and a better life it impacted us greatly with deppresion and less money
<span>Funding allocation is an example of legislation granted to states. State legislation can decide where to use federal funds such as: roads, health, education etc. </span>
It is called the doctrine of stare decisis.
The issue that divided them the most was the issue of a strong federal government or state rights. The Federalists wanted a strong central government. However the Republicans wanted more state sovereignty.
I think we need more information to thoroughly answer this question, but here is a small starter I did to hopefully help you out a bit :D
Overall, it makes things better because a MDC (More developed county) usually has more food, technology, etc and a LDC (Less developed country) is usually in more poverty + etc.