Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.

When do excuse me Who do states and governments often work in lockstep with?
Who do states and governments often work in lockstep with?

What or no make that whose principles were the principle of faunal succession built upon?
Whose principles were the principle of faunal succession built upon?

What are  or uh what is the process of adding structure to real property or construction of buildings?
What is the process of adding structure to real property or construction of buildings?