One of the ways that the tragedy Agamemnon differs from the accounts found in Homer's epics is that in the tragedy, ________.
1) Aegisthus is the ruler and Clytemnestra is merely one of his subjects
2) Clytemnestra does the thinking and the killing
3) Clytemnestra thinks that she has accidentally killed Aegisthus
4) Aegisthus calls for the murder of both Clytemnestra and Agamemnon