Decrease in the fertility of soil
Have instructions , information .
Answer:
Federalism
Explanation:
This dual system of government present in the United States is called <u>federalism</u>, which is a governance structure whereby the federal government and the state governments coexist through a shared power scheme. State laws may not conflict with federal laws, including the U.S. Constitution.
Federalism is a dual system of government in which power is divided between a central national government and other governmental units such as a regional government or state government.
American colonists. Its easy really.
