Imperialism was just big at the time, what better than to proudly say “hey, look, we have Hawaii”. That’s all I can think of... sorry if this doesn’t help at all.
North America is a continent entirely within the Northern Hemisphere and almost all within the Western Hemisphere; it is also considered by some to be a northern subcontinent of the Americas
You have to be a certain age when you vote in the u.s whereas some countries are not eligible to do that, in some countries women are not allowed to vote but things has changed.<span />