What is federalism?

1.a form of government with elected representatives Eliminate
2.a division of power between the national and state governments
3.a sharing of power between the Executive, Legislative, and Judicial systems
4.a form of government in which elected officials make all economic decisions

3.a sharing of power between the Executive, Legislative, and Judicial systems

Explanation:

Federalism is the system of government whereby the power is divided between the executive government and other arms of the governments inorder to have an effecient and effective running of the country. This is also done with the aim of checkmating the excesses of the aim government in question.

An example is the canceling of law passed by the executive by the judiciary when such law is believed not to be for the benefits of the citizens.