[Onelifetogive]

When I refer to my self as an Iowan, dose exclude recognizing me as an American?

Does Catholicism teach the the Catholic Church is one groups of people out of many that are members of Christ's Church?

Iowans are one group of many that are Americans.

[conservonator]

Does Catholicism teach the the Catholic Church is one groups of people out of many that are members of Christ's Church?

In a sense yes, but, that those outside the Church are in error. This doesn’t deny your Christianity, it just says yer' 'doin it wrong.

And to head off the inevitable " no salvation outside the Church" citation I believe will make it's appearance in one of your future posts I will direct you a very simple explanation on the subject here