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Washington and Oklahoma. Washington because the other driver can get personal jurisdiction over Miguel in the state where he resides.
Oklahoma because the state of Oklahoma can get personal jurisdiction due to the Oklahoma long arm state and minimum contacts established in International Shoe. By driving in Oklahoma Miguel had sufficient contacts with the state of Oklahoma that when he had an accident in Oklahoma the other driver could use the Oklahoma long arm statute to get personal jurisdiction over Miguel.
That is a great start for you, now do the rest on you own.
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