<span>Lack of technology to use them caused the cold war leaders to hesitate to use nuclear weapons.
</span><span>B. Lack of technology to use them </span>
It was the Civil rights Act of 1866 that was passed by Congress to protect the voting rights of blacks in the South, although it wasn’t very effective, because it couldn't be enforced.
➡️The Habsburg Period in Spain is the collection of events between the 16th and 17th centuries.✔️
➡️It begins with the Holy elected emperor of the Roman Empire, Fredrick the III.✔️
➡️The Habsburgs, of Austrian descent, was the dominant ruling family at the time; the most significant rulers are noted as Charles I and Phillip II.✔️
