Question

Which of the following tactics allowed the classical Persian empire to unite its vast territory under a single government

Answer 1

Citizens were barred from interacting with foreigners to prevent the spread of non-Persian culture

Step-by-step explanation:

Because in the view of the leaders other cultures would ruin their empire so they could not have one culture only

Answer 2

Leaders could communicate over great distances using a government postal service OR Citizens were barred from interacting with foreigners to prevent the spread of non-Persian culture.