The machinery worked so badly that the revolution of the turret was stopped.
Either "By 2007, more Americans lived in or near cities than they did in rural areas." or "<span>Even today, the need for work is a common reason people move to urban areas."</span>
A thesis statement focuses your ideas into one or two sentences. It should present the topic of your paper and also make a comment about your position in relation to the topic. Your thesis statement should tell your reader what the paper is about and also help guide your writing and keep your argument focused.