Who held claims(4 countries) to the Oregon Country?

The original 4 countries which held claims to the Oregon Country were Russia, Spain, Great Britain and Spain, Spain in which dropped out and the claim later went to the United States

Explanation:

julius caesar turned the roman republic into the roman empire by coming in and taking the "dictator" role during the time of a civil war (elites vs lower classes) winning battles and reputation, then declaring him dictator for life

hope this : )