The best definition of "federalism" is a system of government in which power is divided between a national government and various regional governments.
Answer: Option B
<u>Explanation:</u>
Federalism is a type of governance is found in countries like India and the United States of America where there is a central government and state government. It is where the power gets divided between the national governments and other various regional government.
These two type of governments share power, along with autonomy, responsibilities and accountability. Sometimes federalism is also seen not only in the form of states, but can see in the form of provinces too.
The split into Sunni and Shia of the religion of Islam can traced back to the dispute over the question of Muhammad's successor. Thus, the answer is letter C. It was believed that the dispute emerged in 632 just after the death of the Prophet Muhammad.
The United States acquire Florida from Spain "<span>by a separate treaty," although it should be noted that talks about the acquisition had been in place for some time. </span>