The appropriate choice for the non-event is ...
... A. The costs of sewing machines began to increase.
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Interchangeable parts generally reduce costs and increase demand (and production).
Because Asia is a developing country so to earn money they ship things they make to more developed countries
By issuing the Declaration of Independence<span>, adopted by the Continental Congress on July 4, 1776, the 13 American colonies severed their political connections to Great Britain. The </span>Declaration<span> summarized the colonists' motivations for seeking</span>independence<span>.</span>
I believe it is a landform.