How was Washington State impacted by American Indians’ efforts to protect promises made to them through treaties? Its national parks grew after the reservation system was abandoned through negotiations.

It was impacted by the Boldt Decision, which restored off-reservation fishing rights to the American Indians of the state in 1974.

It combined reservations and various tribes began to share the same land and receive federal funds.

Its reservations were expanded in 1969, making them more economically sound.

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:

it should be a. song dynasty’s civil service examination system created an administrative bureaucracy manned by the landed aristocracy.