How can states open up to inter social diplomacy today, while maintaining some measure of sovereign control?

These assignments HAVE A TWO-STEP

STEP 1 – PLEASE answer three questions BELOW IN THE FIRST PAGE
1- How has diplomacy changed over the past two centuries?
2- How can states open up to inter social diplomacy today, while maintaining some measure of sovereign control?
3- Why is it important for diplomacy to evolve?
Discussion posts should be substantive, meaning at least 250 words

STEP 2 – A substantive response (at least 100 words) to another student COMMENT :
A substantive responcgose of Debora