The Greeks introduced a system of political reforms that they called demokratia, or “rule by the people.” ... Although this Athenian democracy would survive for only two centuries, Cleisthenes' invention was one of ancient Greece's most enduring contributions to the modern world.
Answer:
OB. Coal is present in Britain, France and Germany
Answer:
go to this websight it will explain a lot
Explanation:
http://afe.easia.columbia.edu/special/japan_1900_power.htm
B. The president signs a treaty with Mexico.