Which best explains how Washington's government manages the negative effects of water issues? O It builds fish ladders to help restore migration.
It removes fish ladders to help restore migration.
It requires homeowners to fix water leaks in their homes.
O It allows more water to flow through dams to ensure supply.

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:

c. the passage of the fifteenth amendment