<span>the votes of 3/5 of the southern states would be needed to pass any federal legislation affecting slavery.</span>
<span>The system of feudalism was based upon land holdings.</span>
Answer:
Your best bet is C.
Explanation:
Despite the "balance of terror," why did people still fear nuclear war? The superpowers continued to develop new nuclear weapons. ... It made both superpowers fear launching a nuclear attack because if one side launched a nuclear attack, the other side would retaliate, and both sides would be destroyed.