Texas law restricts access to birth certificates for 75 years and death certificates for 25 years beginning on the date(s) of the event(s). Marriage certificates have no restrictions and are available via the county clerk that issued the license. To verify the "correct" bride/groom is not difficult if children from the earlier marriage are found in census records with "new" bride/groom. Too, https://familysearch.org/
has a parental search option I use frequently to learn maiden names. Texas is a large state in area and it helps to have a knowledge of the geographical location of counties and their neighbors. I would not expect someone to marry in Bowie County then remarry, shortly thereafter, in El Paso. That's 900 miles! Perhaps a workable solution is to reveal the exact names and places of people you are researching? Thereby, other researchers can examine and confirm/disagree with your conclusions. Too, which "war"?