This is all word puzzles.
1) Banks create money when they lend more money
2) The traditional shape of the peanut is ideal for packaging due to it's uniform and stack-able shape.
3) Congress is a single word without a prefix.
4) It's an artificial flavoring with side effects much like strawberry milk, it tastes nothing alike.
5) Because Americans are crazy.
6) Likely one if it's a body count, two if it's a head count.
7) Where did Chevy get it's name? What about a car is 'chevy' except for it's models. It's a name brand. Or it could be that it's cheap long lasting candy that ranchers can enjoy for their long periods of time working in fields.
8) Caregiver is generally means someone taking care of someone else. Caretaker is someone looking after another's properties.