<span>swift rivers provided power for machines</span>
The steam boat
The cotton gin and others
Townshend acts would be my est answer.
The New Deal addressed the security issues that caused the depression in the first place. The FDIC was created that ensured money so that a mass craze of withdrawals won't happen again (that's how many small banks crippled because so many pulled out their own money and they couldn't function). The New Deal created the Social Security Act which allowed for benefits for those who couldn't' work.
Basically, the New Deal gave American a new start and a chance to those who lost everything because of it.
An essay is a text that is focused on a subject. The type of essay determine the style and the way that the essay is written. A persuasive essay is made to persuade, so the argument is proposed in a way that should convince that that side of argument is the right one, while an expository essay should not give opinion on the subject, just expose the different points of views.