<span>D. more American workers relocating to urban centers. </span>The factory system was first adopted in Britain<span> at the beginning of the </span>Industrial Revolution<span> in the late 18th century and later spread around the world.</span>[1]<span> It replaced the </span>putting-out system<span>. The main characteristic of the factory system is the use of machinery, originally powered by water or steam and later by electricity. Other characteristics of the system mostly derive from the use of machinery or </span>economies of scale<span>, the </span>centralization<span> of </span>factories<span>, and </span>standardization<span> of </span>interchangeable parts<span>.</span>
Based on the sentence of the excerpt, The main purpose of the final sentence from Thomas Paine's common sense would be : To indicate that the American colonies can establish a better government thana monarchy
