Which choice is correctly punctuated?

It is easy to research your genealogy; if the records are well kept.

I plan to research my genealogy in the following countries; England and Ireland.

Genealogical research in Britain and Ireland is relatively easy; records are well kept and accessible.

My roots can be traced; to Britain and Ireland.

Genealogical research in Britain and Ireland is relatively easy; records are well kept and accessible.

The choice that is correctly punctuated is:

Genealogical research in Britain and Ireland is relatively easy; records are well kept and accessible.