The three powerful dynasties that developed after Alexander the Great's death were. Ptolemy dynasty, Seleucus dynasty and Antigonid dynasty. For Ptolemy dynasty, they were absorbed with the Roman Empire and because their rulers were not effective, they were under control by the Romans in Egypt. For the Seleucus dynasty, they lost control over the Asia Minor against the Roman Empire and was abolished by Pompey the Great. Antigonid dynasty lost their war against the Romans because of the three "fetters" of Greece through three wars.
Is this the hole question
B. a city that is an important hub in the global economic system.
B.the scores are clustered together within the groups, which makes it more difficult to see difference between groups.