The concept of concurrent powers responds to the fact that many actions are necessary to serve the people at both the federal and state levels. Most notably, the power to impose and collect taxes is needed in order to raise money needed to provide police and fire departments, and to maintain highways, parks, and other public facilities.
"The Tenth Amendment was intended to confirm the understanding of the people at the time the Constitution was adopted, that powers not granted to the United States were reserved to the States or
Well every culture that felt like culture in past, present became a country... now the language is interesting because some countries speak the same language but just because either they learned it or they have the common cultural origin.