In 1846 the US and Great Britain agreed to a treaty diving the Oregon country in two at the 49th parallel.<br />
The US portion included the present day states of Washington, Idaho, Oregon, parts of Montana and Wyoming.<br />
Fur traders were the first to settle the Northwest.<br />
Marcus Whitman, a Christian doctor, went to preach to and doctor the Indians near Fort Walla Walla (Washington state)<br />
These Indians were upset at the 1000s of settlers who came into their area. They brought measles with them—and wiped out half their tribe. Due to this, they blamed Whitman and killed him, his wife and others at the mission. <br />
The Pony Express, a mail service which transported mail with a series of riders, operated for 18 months in the early 1860’s. Mail which might have taken months could now reach the west coast in 10 days.<br />
The Pony Express was replaced by the first transcontinental telegraph invented by Samuel Morse.<br />
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