These nations have political divisions called provinces. canada and the u. s greenland and canada mexico and the u. s. the u. s. and greenland

Canada and

A. - canada and the u.s 

This would be an open primary. a closed primary people can vote only prior to election day if the party if they are registered. independent voters can not participate. there is not a wide-open primary, but there is a semi-open primary.

Answer// dinosaurs emerged during mesozoic era;