Due to many factors, what should be done is helping those who are in need.
B. 400-1400, during the era when the Roman Empire declined, the Byzantine Empire flourished, and Islam was founded
The Enlightenment produced numerous books, essays, inventions, scientific discoveries, laws, wars and revolutions. The American and French Revolutions were directly inspired by Enlightenment ideals and respectively marked the peak of its influence and the beginning of its decline.
Generally speaking, people who take a "layer cake" view of federalism believe that "<span>national and state governments must cooperate to meet citizen needs," since they believe that government works in "layers". </span>