4 What was the main reason the Bill of Rights was added to the Constitution?
To define the rights and freedoms of citizens clearly
To identify the characteristics of an American citizen
To clarify the federal government's position on states' rights
To address the country's position on the slave trade

explanation: d

answer: the time zones used to be whatever the local authority wanted them to be. one town might have 6am whenever the sun came up and another town had 6am 10 minutes later.  

the trains had a hard time when their orders said to be at a certain point at 6am.  

6am, but who's 6am.  

the railroads got together and set the time zones more or less along the longitude lines across the country.

explanation:

the answer is a. harriet tubman was a nurse on the battlefield.

are you asking for our opinion?