Heat vegetable oil in a large Dutch oven over medium heat.
Add onion and cook until softened.
Add garlic and cook 1 minute.
Add ground beef.
Cook, breaking beef into very small crumbles, until browned.
Stir in tomato paste.
Cook 2 minutes, stirring often.
Add water, Worcestershire sauce and apple cider vinegar.
Stir in chili powder, paprika, cinnamon, cumin, allspice, cloves, cayenne pepper, salt, black pepper and bay leaves.
Bring chili to a simmer.
Reduce heat to low.
Simmer uncovered 1 1/2 to 2 hours, stirring occasionally, until chili is loose, deeply flavored and slightly thickened.
Add a little more water during cooking if chili becomes too thick.
Remove bay leaves.
Taste and adjust salt.
Cook spaghetti in salted water until tender, slightly softer than al dente.
Drain spaghetti and toss lightly with olive oil.
For chili spaghetti, place spaghetti on plates and spoon chili over top.
For a 3-Way, top spaghetti and chili with shredded cheddar cheese.
For a 4-Way, add either warmed beans or chopped white onion before the cheese.
For a 5-Way, layer spaghetti, beans, chili, chopped onion and shredded cheddar cheese.
Serve immediately with oyster crackers and hot sauce.