Depending on how early you are speaking of, but generally females were required to stay home and raise their children while males often went to work or war. If war, females usually found jobs as well to support their families whilst their spouse was away.
Erik Homberger Erikson (born Erik Salomonsen; 15 June 1902 – 12 May 1994) was a German-American developmental psychologist and psychoanalyst known for his theory on psychological development of human beings. He may be most famous for coining the phrase identity crisis.
Answer:
Because a lot of things have not yet been discovered and questioned as well as there being billions of things that we have absolutely no knowledge about.
