The new actor on the set was so to every request that the director had not a single argument with him.

hello the options related to your question is missing hence i will provide an answer that fits into the blank.

In rapport or In harmony

Explanation:

The new actor on the set was so in rapport to every request that the director had not a single argument with him.

The actor did not have a form of argument with the director because they had an understanding hence the synonym of the word understanding that can fit into this context can be in rapport or In harmony

an economic reason that the south needed a reconstruction plan is that plantations, factories, and other businesses were destroyed during the war.

after the roman empire, the catholic church began to unify by taking on many duties of a government.