Why was the exodus a key event for the hebrews?

It showed them that their God could save a whole nation.

Explanation:

Exodus was the emigration of the Israelites from Egypt, being liberated from slavery by God, Yahweh.

most people now work in jobs where they do one  kind  of work; they are carpenters, bankers, cooks, mechanics, and so forth. likewise, most  businesses produce  only certainkinds  of  goods  or  services, such as cars, tacos, or gardening  services. this feature of  production  is known as specialization.

darwinism is survival of the fittest there for social darwinism is the survival of the wealthiest