What political development led to the beginning of the cold war

The Soviet Union broke promise/lead to Cold War

Explanation:

Basically the soviet union made an agreement with the U.S and they did not keep their promise to sign the treaty and a war out broke with the both of them which lead to the cold war

there is no chart here so no one can answer this.

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.