An organization of countries formed in 1961 to agree on a common policy for the production and sale of petroleum.

1839-1842. Chinese attempted to prohibit the opium trade, British declared war and won against Chinese. Treaty of Nanjing, agreed to open 5 ports to British trade and limit tariffs on British goods and gave Hong Kong.

the right of people to choose their own form of government

A form of government in which the ruler (probably a dictator) has complete control of the lives of the people of the state.

Movement of people from rural areas to cities

An alliance between the Soviet Union and other Eastern European nations. This was in response to the NATO

Joint effort by the US and Britain to fly food and supplies into West Berlin after the Soviet blocked off all ground routes into the city

A wall separating East and West Berlin built by East Germany in 1961 to keep citizens from escaping to the West

An economic system based on private property and free enterprise.