Which choice is correctly punctuated?
Research can be done in most countries: however, language can be a barrier.
Other records may have been lost; language is often a barrier.
It is difficult to find genealogical records: in some countries.
Sometimes records get lost; due to language.
Research can be done in most countries; however, language can be a barrier.
The choice that is correctly punctuated is:
Other records may have been lost; language is often a barrier.