Consider whether you want to be buried or cremated. If you are creamed it’s pretty easy to bring the ashes back to the US.

It’s a whole different, expensive, complicated process to bring a body back to the US. I assisted with this process, when I worked for the US Embassy. Your wife would need to go through the legal process in the country where you die, the US Embassy there to get the documents required to bring your body to the US, the consul must visit the mortuary and observe your body being sealed into the coffin then apply the US seal to the coffin, an airline would have to then fly your body to the US (expensive), and your wife would have to make arrangements with a funeral parlor/ mortuary services to accept your body upon arrival, and finally there are the normal burial arrangements. This is a lot of work and expense for the grieving spouse during an already emotionally difficult time. If being buried in the US is what you want to do, I would seriously consider buying a supplemental life insurance policy that would cover the expenses and possibly hire a lawyer or specialist to handle the paperwork.