What was Sophocles purpose in adding Persephone as an allusion in Antigone?

What is the name for the main idea behind the settling of western lands by americans in the early-1800s?

Two gymnastics teams are intense rivals. the first team has started recruiting new gymnasts from different cities and even foreign countires in an effort to build a stronger team. after learning this, the secondteam begins its own recruitment campaign to find better gymnasts. over a period of months, each team recruits dozens of players, each time trying to find a better recruit than its rivals most recent addition. which idea from the cold war is most similar to this scenario

The main reason that the royal society of london developed the modern form of peer review was to: award grant funding. decide on promotions for researchers. streamline the publication of conference proceedings. control the quality of published papers.