hemi positive battery terminal

on the positive terminal there are tw0 red wires one goes to the starter and I assume the other one goes to the relay.The questions are the terminal has two holes in it for the two wires can these wires be but into one hole,or does one have t go into each hole,if there put together would it cause any problem? thanks again, also where can I find a positive terminal like the one I am going to replace? thanks

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And what year.

1968