The answer to this question is Yes.
The civil war ended slavery.
The Panama Canal is so important to the US for trade. It greatly decreased the amount of time it took to travel between the Pacific Ocean and the Atlantic Ocean, thus causing an increase in commerce.
HR2520, It is a law that deals with the equality and responsibility of 2017 in the internet browsing.
This law seeks to restric the disclosure or access to information of users depending on the sensitivity of the information.
You must also have the express approval of the user for use confidential information, such as social security numbers, financial information and others.