Do you think anti-federalist were correct in demanding a Bill or Rights? Why or why not?

Yes, they were correct demanding the anti-federalist bill or right because "they want to safeguard the liberty"

Explanation:

There are many anti federalist who preferred to have weak central government as they wanted a strong government having British tyranny. Others thought that strong government with the British tyranny will be dominated by wealth so they wanted democracy. According to them the states are giving more power to the new federal government. Anti federalist believed that strong government would threatened the sovereignty and the prestige of the state, localities or he individuals.