What were the founders concerned about that made them codify these rights which were often radical at the end of the 18th century, but accepted as common practices and protections today of the 5th amendment

a. competition between france and england for land and power

on my last question

necessary and proper clause. the congress shall have power to all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this constitution in the government of the united states, or in any department or officer thereof.