Yes. I've seen sangria recipes with every liquor known to man, every wine known to man, every fruit known to man, and every sweetener known to man. Basically, use what you already like to make Sangria.
Yes. You could argue it's even more authentic to its Spanish roots, although since sangria is not a particularly authentic drink you should feel free to experiment. Note that sherry is less alcoholic than brandy, so you may wish to use more.
not really, they don't taste anything like each other.
Actually yes, quite delectable.
rum bourban or brandy
The ratio to substitute brandy extract for brandy is 1 to 5 (1 tablespoon brandy extract equals 5 tablespoons brandy).
You can add almost anything, it just depends on what kind of wine you'll be using as your base and what kind of flavor profile you want to achieve. Traditionally, Sangria is made with red wine and Spanish brandy. However you can also substitute spiced rum or cognac in place of the brandy. You can also make Sangria Blanco which is made with white wine and either apple brandy or white rum.
Wine Brandy Whisky Tequila Rum Vodka Gin
Rum doesn't contain sodium chloride.
both!
No.
Shrub
vodka , brandy, gin, tequila, whiskey , and rum
Rum, brandy, or sherry.
Yes, if you drink it, you will burn alive.
vodka rum tequila gin whiskey brandy