The principle of avoiding distractions.
Active listener must not accept unnecessary interruptions. When you know you are going to receive a call that you need to take you should tell the listener previously else that you permit the interruption is a sign that what the speaker is telling is not so much important.
This is portuguese
It says
From the subject matter discussed in the text above and considering the thought of pre -Socratic philosophers this constant ch.
Answer: Exclusive Powers
Explanation: Exclusive powers are powers within a federal system of government that each constituent political unit is absolutely or conditionally prohibited from exercising.
The Russian term,glasnost, refers to isolationism