I believe it is Viceroyalties. Hope that helps
Henry clay was a former us senator
James Monroe was an Americans statesman
each mans role was held the office and help with president.
they were important because they helped .
The land was free and perfect for farming, if settlers survived the journey to Oregon the land was all theirs. But not only did the US like it, Britain and Russia also liked it. So the US told people to move there ASAP so it would officially be claimed by America.
Britain wanted to expand trade and needed more resources from the colonies.