Romania, Bulgaria, and Poland are three Eastern Bloc nations. These were Communist countries who were affiliated to NATO countries that are tied up with the Soviet Union and the other countries in the Warsaw Pact. These countries were a part of the cold war between the US and the USSR.
Cotton became highly profitable and everyone who handled it from farmers to exporters made good profit this affect the southern states because the more the cotton the more the slavery
Mexico City lies on the site of the Aztec capital city of Tenochtitlan. Mexico is the modern day country that was previously the home of the Aztec empire. Mexico City was founded in the year of 1521.