Answer:
The Indus River Valley Civilization, 3300-1300 BCE, also known as the Harappan Civilization, extended from modern-day northeast Afghanistan to Pakistan and northwest India.
"Czechoslovakia" is the one nation among the following choices that <span> experienced the Velvet Revolution, a peaceful and non-violent movement to remove Communists from power. The correct option among all the options that are given in the question is the third option or option "C". I hope it helps you.</span>