A physical change chamges the substances apperance, but a chemical changes the chemical formula of a substance. Hope this helps!
Because the Greek city-states were weak and disorganized to unite after the Peloponnesian War.
The oldest Terrorist group was known as "The black hand" they assassinated Archduke Franz and that our break the war. The organization wanted to cause terror to Austria. They organized from Serbia in 1911, it's more like a secret military society.<span />
Franklin Delano Roosevelt
OverProduction, sharecroppers, stock market, and poverty line
Explanation:
